38578460 has 24 divisors (see below), whose sum is σ = 81261600. Its totient is φ = 15384384.

The previous prime is 38578453. The next prime is 38578469. The reversal of 38578460 is 6487583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38578469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4217 + ... + 9743.

It is an arithmetic number, because the mean of its divisors is an integer number (3385900).

Almost surely, 2^38578460 is an apocalyptic number.

It is an amenable number.

38578460 is an abundant number, since it is smaller than the sum of its proper divisors (42683140).

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

38578460 is a wasteful number, since it uses less digits than its factorization.

38578460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5885 (or 5883 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 38578460 is about 6211.1560920653. The cubic root of 38578460 is about 337.8948939674.

The spelling of 38578460 in words is "thirty-eight million, five hundred seventy-eight thousand, four hundred sixty".