38978130 has 32 divisors (see below), whose sum is σ = 94032000. Its totient is φ = 10340352.

The previous prime is 38978119. The next prime is 38978171. The reversal of 38978130 is 3187983.

38978130 is nontrivially palindromic in base 16.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706 + ... + 9234.

It is an arithmetic number, because the mean of its divisors is an integer number (2938500).

Almost surely, 2^38978130 is an apocalyptic number.

38978130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38978130 is an abundant number, since it is smaller than the sum of its proper divisors (55053870).

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

38978130 is a wasteful number, since it uses less digits than its factorization.

38978130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 38978130 is about 6243.2467514908. The cubic root of 38978130 is about 339.0577428810.

The spelling of 38978130 in words is "thirty-eight million, nine hundred seventy-eight thousand, one hundred thirty".