389443296 has 48 divisors (see below), whose sum is σ = 1115227008. Its totient is φ = 118012800.

The previous prime is 389443277. The next prime is 389443339. The reversal of 389443296 is 692344983.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183340 + ... + 185451.

It is an arithmetic number, because the mean of its divisors is an integer number (23233896).

Almost surely, 2^389443296 is an apocalyptic number.

It is an amenable number.

389443296 is an abundant number, since it is smaller than the sum of its proper divisors (725783712).

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

389443296 is a wasteful number, since it uses less digits than its factorization.

389443296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368815 (or 368807 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 389443296 is about 19734.3177231948. The cubic root of 389443296 is about 730.2665543122.

The spelling of 389443296 in words is "three hundred eighty-nine million, four hundred forty-three thousand, two hundred ninety-six".