457394384 has 20 divisors (see below), whose sum is σ = 938331684. Its totient is φ = 215244288.

The previous prime is 457394383. The next prime is 457394387. The reversal of 457394384 is 483493754.

It can be written as a sum of positive squares in 2 ways, for example, as 244234384 + 213160000 = 15628^2 + 14600^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457394381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840527 + ... + 841070.

Almost surely, 2^457394384 is an apocalyptic number.

It is an amenable number.

457394384 is an abundant number, since it is smaller than the sum of its proper divisors (480937300).

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

457394384 is a wasteful number, since it uses less digits than its factorization.

457394384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681622 (or 1681616 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 47.

The square root of 457394384 is about 21386.7805898878. The cubic root of 457394384 is about 770.4839730228.

The spelling of 457394384 in words is "four hundred fifty-seven million, three hundred ninety-four thousand, three hundred eighty-four".