15285940 has 24 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 6100128.

The previous prime is 15285923. The next prime is 15285967. The reversal of 15285940 is 4958251.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 15285896 and 15285905.

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, 13849 + ... + 14911.

It is an arithmetic number, because the mean of its divisors is an integer number (1340640).

Almost surely, 2^15285940 is an apocalyptic number.

15285940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15285940 is an abundant number, since it is smaller than the sum of its proper divisors (16889420).

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

15285940 is a wasteful number, since it uses less digits than its factorization.

15285940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791 (or 1789 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 15285940 is about 3909.7237754092. The cubic root of 15285940 is about 248.1784399105.

The spelling of 15285940 in words is "fifteen million, two hundred eighty-five thousand, nine hundred forty".