39490084 has 6 divisors (see below), whose sum is σ = 69107654. Its totient is φ = 19745040.

The previous prime is 39490069. The next prime is 39490109. The reversal of 39490084 is 48009493.

It can be written as a sum of positive squares in only one way, i.e., 39337984 + 152100 = 6272^2 + 390^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4936257 + ... + 4936264.

Almost surely, 2^39490084 is an apocalyptic number.

It is an amenable number.

39490084 is a deficient number, since it is larger than the sum of its proper divisors (29617570).

39490084 is a wasteful number, since it uses less digits than its factorization.

39490084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9872525 (or 9872523 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 39490084 is about 6284.1136208697. The cubic root of 39490084 is about 340.5357298145.

The spelling of 39490084 in words is "thirty-nine million, four hundred ninety thousand, eighty-four".