38725389 has 12 divisors (see below), whose sum is σ = 56101500. Its totient is φ = 25740864.

The previous prime is 38725373. The next prime is 38725403. The reversal of 38725389 is 98352783.

It can be written as a sum of positive squares in 2 ways, for example, as 10017225 + 28708164 = 3165^2 + 5358^2 .

It is not a de Polignac number, because 38725389 - 2⁴ = 38725373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38725189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3024 + ... + 9305.

It is an arithmetic number, because the mean of its divisors is an integer number (4675125).

Almost surely, 2^38725389 is an apocalyptic number.

It is an amenable number.

38725389 is a deficient number, since it is larger than the sum of its proper divisors (17376111).

38725389 is a wasteful number, since it uses less digits than its factorization.

38725389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12684 (or 12681 counting only the distinct ones).

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

The square root of 38725389 is about 6222.9726819262. The cubic root of 38725389 is about 338.3233166703.

It can be divided in two parts, 3872 and 5389, that added together give a cube (9261 = 21³).

The spelling of 38725389 in words is "thirty-eight million, seven hundred twenty-five thousand, three hundred eighty-nine".