15340256 has 48 divisors (see below), whose sum is σ = 32359824. Its totient is φ = 7133184.

The previous prime is 15340229. The next prime is 15340261. The reversal of 15340256 is 65204351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88586 + ... + 88758.

It is an arithmetic number, because the mean of its divisors is an integer number (674163).

Almost surely, 2^15340256 is an apocalyptic number.

15340256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15340256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16179912).

15340256 is an abundant number, since it is smaller than the sum of its proper divisors (17019568).

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

15340256 is a wasteful number, since it uses less digits than its factorization.

15340256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 15340256 is about 3916.6638865238. The cubic root of 15340256 is about 248.4720457822.

The spelling of 15340256 in words is "fifteen million, three hundred forty thousand, two hundred fifty-six".