15332985 has 24 divisors (see below), whose sum is σ = 27298440. Its totient is φ = 7955712.

The previous prime is 15332971. The next prime is 15333007. The reversal of 15332985 is 58923351.

It can be written as a sum of positive squares in 4 ways, for example, as 1871424 + 13461561 = 1368^2 + 3669^2 .

It is not a de Polignac number, because 15332985 - 2¹² = 15328889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2940 + ... + 6269.

It is an arithmetic number, because the mean of its divisors is an integer number (1137435).

Almost surely, 2^15332985 is an apocalyptic number.

15332985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15332985 is a deficient number, since it is larger than the sum of its proper divisors (11965455).

15332985 is a wasteful number, since it uses less digits than its factorization.

15332985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257 (or 9254 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 15332985 is about 3915.7355630839. The cubic root of 15332985 is about 248.4327825140.

The spelling of 15332985 in words is "fifteen million, three hundred thirty-two thousand, nine hundred eighty-five".