457487238 has 64 divisors (see below), whose sum is σ = 1079386560. Its totient is φ = 127905792.

The previous prime is 457487197. The next prime is 457487249. The reversal of 457487238 is 832784754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32506 + ... + 44402.

It is an arithmetic number, because the mean of its divisors is an integer number (16865415).

Almost surely, 2^457487238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457487238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539693280).

457487238 is an abundant number, since it is smaller than the sum of its proper divisors (621899322).

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

457487238 is a wasteful number, since it uses less digits than its factorization.

457487238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11961.

The product of its digits is 1505280, while the sum is 48.

The square root of 457487238 is about 21388.9513066910. The cubic root of 457487238 is about 770.5361072281.

The spelling of 457487238 in words is "four hundred fifty-seven million, four hundred eighty-seven thousand, two hundred thirty-eight".