39530090 has 8 divisors (see below), whose sum is σ = 71154180. Its totient is φ = 15812032.

The previous prime is 39530063. The next prime is 39530107. The reversal of 39530090 is 9003593.

It can be written as a sum of positive squares in 2 ways, for example, as 39526369 + 3721 = 6287^2 + 61^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon 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, 1976495 + ... + 1976514.

Almost surely, 2^39530090 is an apocalyptic number.

39530090 is a deficient number, since it is larger than the sum of its proper divisors (31624090).

39530090 is a wasteful number, since it uses less digits than its factorization.

39530090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953016.

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 39530090 is about 6287.2959211413. The cubic root of 39530090 is about 340.6506858839.

The spelling of 39530090 in words is "thirty-nine million, five hundred thirty thousand, ninety".