38978325 has 36 divisors (see below), whose sum is σ = 70257408. Its totient is φ = 20656800.

The previous prime is 38978321. The next prime is 38978327. The reversal of 38978325 is 52387983.

It is not a de Polignac number, because 38978325 - 2² = 38978321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38978321) 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 35 ways as a sum of consecutive naturals, for example, 42522 + ... + 43428.

Almost surely, 2^38978325 is an apocalyptic number.

It is an amenable number.

38978325 is a deficient number, since it is larger than the sum of its proper divisors (31279083).

38978325 is a wasteful number, since it uses less digits than its factorization.

38978325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1106 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 38978325 is about 6243.2623683456. The cubic root of 38978325 is about 339.0583082934.

The spelling of 38978325 in words is "thirty-eight million, nine hundred seventy-eight thousand, three hundred twenty-five".