38978150 has 12 divisors (see below), whose sum is σ = 72499452. Its totient is φ = 15591240.

The previous prime is 38978119. The next prime is 38978171. The reversal of 38978150 is 5187983.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38978098 and 38978107.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 389732 + ... + 389831.

It is an arithmetic number, because the mean of its divisors is an integer number (6041621).

Almost surely, 2^38978150 is an apocalyptic number.

38978150 is a deficient number, since it is larger than the sum of its proper divisors (33521302).

38978150 is a wasteful number, since it uses less digits than its factorization.

38978150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779575 (or 779570 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 38978150 is about 6243.2483532213. The cubic root of 38978150 is about 339.0578008721.

The spelling of 38978150 in words is "thirty-eight million, nine hundred seventy-eight thousand, one hundred fifty".