384426756 has 72 divisors (see below), whose sum is σ = 1159398240. Its totient is φ = 109834704.

The previous prime is 384426743. The next prime is 384426767. The reversal of 384426756 is 657624483.

384426756 is a `hidden beast` number, since 384 + 4 + 267 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31030 + ... + 41613.

Almost surely, 2^384426756 is an apocalyptic number.

384426756 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

384426756 is an abundant number, since it is smaller than the sum of its proper divisors (774971484).

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

384426756 is a wasteful number, since it uses less digits than its factorization.

384426756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72670 (or 72655 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 384426756 is about 19606.8038190828. The cubic root of 384426756 is about 727.1173968630.

The spelling of 384426756 in words is "three hundred eighty-four million, four hundred twenty-six thousand, seven hundred fifty-six".