15216364 has 6 divisors (see below), whose sum is σ = 26628644. Its totient is φ = 7608180.

The previous prime is 15216323. The next prime is 15216403. The reversal of 15216364 is 46361251.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1902042 + ... + 1902049.

Almost surely, 2^15216364 is an apocalyptic number.

It is an amenable number.

15216364 is a deficient number, since it is larger than the sum of its proper divisors (11412280).

15216364 is a wasteful number, since it uses less digits than its factorization.

15216364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804095 (or 3804093 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 15216364 is about 3900.8158121091. The cubic root of 15216364 is about 247.8013280532.

It can be divided in two parts, 1521636 and 4, that added together give a triangular number (1521640 = T₁₇₄₄).

The spelling of 15216364 in words is "fifteen million, two hundred sixteen thousand, three hundred sixty-four".