386591040 has 168 divisors, whose sum is σ = 1450713888. Its totient is φ = 93711360.

The previous prime is 386591039. The next prime is 386591041. The reversal of 386591040 is 40195683.

It is an interprime number because it is at equal distance from previous prime (386591039) and next prime (386591041).

It is a super-3 number, since 3×386591040³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 386590986 and 386591004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386591041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25579 + ... + 37781.

Almost surely, 2^386591040 is an apocalyptic number.

386591040 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 386591040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725356944).

386591040 is an abundant number, since it is smaller than the sum of its proper divisors (1064122848).

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

386591040 is a wasteful number, since it uses less digits than its factorization.

386591040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12237 (or 12224 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 386591040 is about 19661.9185228705. The cubic root of 386591040 is about 728.4793767373.

The spelling of 386591040 in words is "three hundred eighty-six million, five hundred ninety-one thousand, forty".