15402968 has 16 divisors (see below), whose sum is σ = 33006480. Its totient is φ = 6601248.

The previous prime is 15402967. The next prime is 15402979. The reversal of 15402968 is 86920451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15402967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137471 + ... + 137582.

It is an arithmetic number, because the mean of its divisors is an integer number (2062905).

Almost surely, 2^15402968 is an apocalyptic number.

It is an amenable number.

15402968 is an abundant number, since it is smaller than the sum of its proper divisors (17603512).

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

15402968 is a wasteful number, since it uses less digits than its factorization.

15402968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275066 (or 275062 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 15402968 is about 3924.6615140672. The cubic root of 15402968 is about 248.8101755883.

The spelling of 15402968 in words is "fifteen million, four hundred two thousand, nine hundred sixty-eight".