39493488 has 20 divisors (see below), whose sum is σ = 102024968. Its totient is φ = 13164480.

The previous prime is 39493463. The next prime is 39493577. The reversal of 39493488 is 88439493.

It is a super-2 number, since 2×39493488² = 3119471188812288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 822781 = 39493488 / (3 + 9 + 4 + 9 + 3 + 4 + 8 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411343 + ... + 411438.

Almost surely, 2^39493488 is an apocalyptic number.

It is an amenable number.

39493488 is an abundant number, since it is smaller than the sum of its proper divisors (62531480).

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

39493488 is a wasteful number, since it uses less digits than its factorization.

39493488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822792 (or 822786 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 39493488 is about 6284.3844567308. The cubic root of 39493488 is about 340.5455141300.

The spelling of 39493488 in words is "thirty-nine million, four hundred ninety-three thousand, four hundred eighty-eight".