15969402 has 24 divisors (see below), whose sum is σ = 35717760. Its totient is φ = 5151240.

The previous prime is 15969389. The next prime is 15969439. The reversal of 15969402 is 20496951.

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, 13752 + ... + 14867.

It is an arithmetic number, because the mean of its divisors is an integer number (1488240).

Almost surely, 2^15969402 is an apocalyptic number.

15969402 is an abundant number, since it is smaller than the sum of its proper divisors (19748358).

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

15969402 is a wasteful number, since it uses less digits than its factorization.

15969402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28658 (or 28655 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 15969402 is about 3996.1734196604. The cubic root of 15969402 is about 251.8234780410.

The spelling of 15969402 in words is "fifteen million, nine hundred sixty-nine thousand, four hundred two".