386369280 has 216 divisors, whose sum is σ = 1458802800. Its totient is φ = 93634560.

The previous prime is 386369267. The next prime is 386369293. The reversal of 386369280 is 82963683.

386369280 is a `hidden beast` number, since 3 + 8 + 6 + 369 + 280 = 666.

It is an interprime number because it is at equal distance from previous prime (386369267) and next prime (386369293).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125196 + ... + 128244.

Almost surely, 2^386369280 is an apocalyptic number.

386369280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386369280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729401400).

386369280 is an abundant number, since it is smaller than the sum of its proper divisors (1072433520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386369280 is a wasteful number, since it uses less digits than its factorization.

386369280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3070 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 386369280 is about 19656.2783863070. The cubic root of 386369280 is about 728.3400576902.

The spelling of 386369280 in words is "three hundred eighty-six million, three hundred sixty-nine thousand, two hundred eighty".