39660246 has 24 divisors (see below), whose sum is σ = 88236840. Its totient is φ = 13204656.

The previous prime is 39660223. The next prime is 39660287. The reversal of 39660246 is 64206693.

39660246 is a `hidden beast` number, since 3 + 9 + 6 + 602 + 46 = 666.

It is a super-2 number, since 2×39660246² = 3145870225561032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39660246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45850 + ... + 46706.

It is an arithmetic number, because the mean of its divisors is an integer number (3676535).

Almost surely, 2^39660246 is an apocalyptic number.

39660246 is an abundant number, since it is smaller than the sum of its proper divisors (48576594).

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

39660246 is an frugal number, since it uses more digits than its factorization.

39660246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 39660246 is about 6297.6381286956. The cubic root of 39660246 is about 341.0241495554.

The spelling of 39660246 in words is "thirty-nine million, six hundred sixty thousand, two hundred forty-six".