15364993 has 8 divisors (see below), whose sum is σ = 17585280. Its totient is φ = 13151040.

The previous prime is 15364981. The next prime is 15364997. The reversal of 15364993 is 39946351.

15364993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-15364993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15364997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153 + ... + 8281.

It is an arithmetic number, because the mean of its divisors is an integer number (2198160).

Almost surely, 2^15364993 is an apocalyptic number.

It is an amenable number.

15364993 is a deficient number, since it is larger than the sum of its proper divisors (2220287).

15364993 is a wasteful number, since it uses less digits than its factorization.

15364993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167.

The product of its digits is 87480, while the sum is 40.

The square root of 15364993 is about 3919.8205316060. The cubic root of 15364993 is about 248.6055323012.

The spelling of 15364993 in words is "fifteen million, three hundred sixty-four thousand, nine hundred ninety-three".