386077428 has 72 divisors (see below), whose sum is σ = 1104099360. Its totient is φ = 116989920.

The previous prime is 386077409. The next prime is 386077451. The reversal of 386077428 is 824770683.

It is a happy number.

386077428 is a `hidden beast` number, since 38 + 607 + 7 + 4 + 2 + 8 = 666.

It is a super-2 number, since 2×386077428² = 298111560822190368, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 7363 + ... + 28746.

Almost surely, 2^386077428 is an apocalyptic number.

It is an amenable number.

386077428 is an abundant number, since it is smaller than the sum of its proper divisors (718021932).

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

386077428 is a wasteful number, since it uses less digits than its factorization.

386077428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36139 (or 36125 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 386077428 is about 19648.8530963006. The cubic root of 386077428 is about 728.1566226032.

The spelling of 386077428 in words is "three hundred eighty-six million, seventy-seven thousand, four hundred twenty-eight".