38457258 has 24 divisors (see below), whose sum is σ = 89472672. Its totient is φ = 10987704.

The previous prime is 38457257. The next prime is 38457259. The reversal of 38457258 is 85275483.

It is an interprime number because it is at equal distance from previous prime (38457257) and next prime (38457259).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (38457257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65110 + ... + 65697.

It is an arithmetic number, because the mean of its divisors is an integer number (3728028).

Almost surely, 2^38457258 is an apocalyptic number.

38457258 is an abundant number, since it is smaller than the sum of its proper divisors (51015414).

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

38457258 is a wasteful number, since it uses less digits than its factorization.

38457258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130826 (or 130819 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 38457258 is about 6201.3916180161. The cubic root of 38457258 is about 337.5406678018.

The spelling of 38457258 in words is "thirty-eight million, four hundred fifty-seven thousand, two hundred fifty-eight".