38678497 has 24 divisors (see below), whose sum is σ = 46594688. Its totient is φ = 31885920.

The previous prime is 38678477. The next prime is 38678503. The reversal of 38678497 is 79487683.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-38678497 is a prime.

It is a super-5 number, since 5×38678497⁵ (a number of 39 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38678447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105208 + ... + 105574.

Almost surely, 2^38678497 is an apocalyptic number.

It is an amenable number.

38678497 is a deficient number, since it is larger than the sum of its proper divisors (7916191).

38678497 is a wasteful number, since it uses less digits than its factorization.

38678497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 458 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 38678497 is about 6219.2038879587. The cubic root of 38678497 is about 338.1867046172.

The spelling of 38678497 in words is "thirty-eight million, six hundred seventy-eight thousand, four hundred ninety-seven".