39484040 has 16 divisors (see below), whose sum is σ = 88839180. Its totient is φ = 15793600.

The previous prime is 39484007. The next prime is 39484043. The reversal of 39484040 is 4048493.

It can be written as a sum of positive squares in 2 ways, for example, as 39413284 + 70756 = 6278^2 + 266^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39483988 and 39484006.

It is not an unprimeable number, because it can be changed into a prime (39484043) 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, 493511 + ... + 493590.

Almost surely, 2^39484040 is an apocalyptic number.

It is an amenable number.

39484040 is an abundant number, since it is smaller than the sum of its proper divisors (49355140).

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

39484040 is a wasteful number, since it uses less digits than its factorization.

39484040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987112 (or 987108 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 39484040 is about 6283.6327072801. The cubic root of 39484040 is about 340.5183558077.

The spelling of 39484040 in words is "thirty-nine million, four hundred eighty-four thousand, forty".