15340456 has 8 divisors (see below), whose sum is σ = 28763370. Its totient is φ = 7670224.

The previous prime is 15340421. The next prime is 15340469. The reversal of 15340456 is 65404351.

It can be written as a sum of positive squares in only one way, i.e., 12888100 + 2452356 = 3590^2 + 1566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958771 + ... + 958786.

Almost surely, 2^15340456 is an apocalyptic number.

It is an amenable number.

15340456 is a deficient number, since it is larger than the sum of its proper divisors (13422914).

15340456 is a wasteful number, since it uses less digits than its factorization.

15340456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917563 (or 1917559 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 15340456 is about 3916.6894183736. The cubic root of 15340456 is about 248.4731256032.

The spelling of 15340456 in words is "fifteen million, three hundred forty thousand, four hundred fifty-six".