39980330 has 48 divisors (see below), whose sum is σ = 79965144. Its totient is φ = 14376960.

The previous prime is 39980327. The next prime is 39980341. The reversal of 39980330 is 3308993.

It is a Cunningham number, because it is equal to 6323²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 1 + 39980329 = 1^2 + 6323^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69002 + ... + 69578.

Almost surely, 2^39980330 is an apocalyptic number.

39980330 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

39980330 is a wasteful number, since it uses less digits than its factorization.

39980330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 39980330 is about 6323.0000790764. Note that the first 4 decimals coincide. The cubic root of 39980330 is about 341.9391214324.

The spelling of 39980330 in words is "thirty-nine million, nine hundred eighty thousand, three hundred thirty".