385292784 has 20 divisors (see below), whose sum is σ = 995339816. Its totient is φ = 128430912.

The previous prime is 385292783. The next prime is 385292807. The reversal of 385292784 is 487292583.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 8026933 = 385292784 / (3 + 8 + 5 + 2 + 9 + 2 + 7 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385292783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013419 + ... + 4013514.

Almost surely, 2^385292784 is an apocalyptic number.

It is an amenable number.

385292784 is an abundant number, since it is smaller than the sum of its proper divisors (610047032).

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

385292784 is a wasteful number, since it uses less digits than its factorization.

385292784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8026944 (or 8026938 counting only the distinct ones).

The product of its digits is 967680, while the sum is 48.

The square root of 385292784 is about 19628.8762796040. The cubic root of 385292784 is about 727.6629986324.

The spelling of 385292784 in words is "three hundred eighty-five million, two hundred ninety-two thousand, seven hundred eighty-four".