39874528 has 24 divisors (see below), whose sum is σ = 79454088. Its totient is φ = 19695744.

The previous prime is 39874519. The next prime is 39874529. The reversal of 39874528 is 82547893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39874529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4851 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (3310587).

Almost surely, 2^39874528 is an apocalyptic number.

It is an amenable number.

39874528 is a deficient number, since it is larger than the sum of its proper divisors (39579560).

39874528 is a wasteful number, since it uses less digits than its factorization.

39874528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106 (or 15098 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 39874528 is about 6314.6280967291. The cubic root of 39874528 is about 341.6372246161.

It can be divided in two parts, 3987 and 4528, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 39874528 in words is "thirty-nine million, eight hundred seventy-four thousand, five hundred twenty-eight".