386045400 has 192 divisors, whose sum is σ = 1319915520. Its totient is φ = 92736000.

The previous prime is 386045399. The next prime is 386045411. The reversal of 386045400 is 4540683.

It is a super-2 number, since 2×386045400² = 298062101722320000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 334825 + ... + 335975.

It is an arithmetic number, because the mean of its divisors is an integer number (6874560).

Almost surely, 2^386045400 is an apocalyptic number.

386045400 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 386045400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659957760).

386045400 is an abundant number, since it is smaller than the sum of its proper divisors (933870120).

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

386045400 is a wasteful number, since it uses less digits than its factorization.

386045400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 386045400 is about 19648.0380699957. The cubic root of 386045400 is about 728.1364867069.

The spelling of 386045400 in words is "three hundred eighty-six million, forty-five thousand, four hundred".