386019900 has 216 divisors, whose sum is σ = 1403910144. Its totient is φ = 86889600.

The previous prime is 386019889. The next prime is 386019919. The reversal of 386019900 is 9910683.

It is a super-2 number, since 2×386019900² = 298022726392020000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 446869 + ... + 447731.

It is an arithmetic number, because the mean of its divisors is an integer number (6499584).

Almost surely, 2^386019900 is an apocalyptic number.

386019900 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 386019900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701955072).

386019900 is an abundant number, since it is smaller than the sum of its proper divisors (1017890244).

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

386019900 is a wasteful number, since it uses less digits than its factorization.

386019900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 386019900 is about 19647.3891395269. The cubic root of 386019900 is about 728.1204541459.

The spelling of 386019900 in words is "three hundred eighty-six million, nineteen thousand, nine hundred".