15047964 has 24 divisors (see below), whose sum is σ = 39013520. Its totient is φ = 5015952.

The previous prime is 15047899. The next prime is 15047969. The reversal of 15047964 is 46974051.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15047969) 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 7 ways as a sum of consecutive naturals, for example, 69559 + ... + 69774.

Almost surely, 2^15047964 is an apocalyptic number.

It is an amenable number.

15047964 is an abundant number, since it is smaller than the sum of its proper divisors (23965556).

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

15047964 is a wasteful number, since it uses less digits than its factorization.

15047964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139346 (or 139338 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 15047964 is about 3879.1705298942. The cubic root of 15047964 is about 246.8837930746.

The spelling of 15047964 in words is "fifteen million, forty-seven thousand, nine hundred sixty-four".