39960010 has 12 divisors (see below), whose sum is σ = 71964018. Its totient is φ = 15976008.

The previous prime is 39960001. The next prime is 39960031. The reversal of 39960010 is 1006993.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35964009 + 3996001 = 5997^2 + 1999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18991 + ... + 20989.

Almost surely, 2^39960010 is an apocalyptic number.

39960010 is a deficient number, since it is larger than the sum of its proper divisors (32004008).

39960010 is an frugal number, since it uses more digits than its factorization.

39960010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 39960010 is about 6321.3930426766. The cubic root of 39960010 is about 341.8811814369.

The spelling of 39960010 in words is "thirty-nine million, nine hundred sixty thousand, ten".