15328955 has 8 divisors (see below), whose sum is σ = 18466272. Its totient is φ = 12215488.

The previous prime is 15328949. The next prime is 15328961. The reversal of 15328955 is 55982351.

It is an interprime number because it is at equal distance from previous prime (15328949) and next prime (15328961).

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

It is a cyclic number.

It is not a de Polignac number, because 15328955 - 2¹⁴ = 15312571 is a prime.

It is a super-2 number, since 2×15328955² = 469953722784050, which contains 22 as substring.

It is a Duffinian 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, 4514 + ... + 7143.

It is an arithmetic number, because the mean of its divisors is an integer number (2308284).

Almost surely, 2^15328955 is an apocalyptic number.

15328955 is a deficient number, since it is larger than the sum of its proper divisors (3137317).

15328955 is a wasteful number, since it uses less digits than its factorization.

15328955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11925.

The product of its digits is 54000, while the sum is 38.

The square root of 15328955 is about 3915.2209388488. The cubic root of 15328955 is about 248.4110152403.

The spelling of 15328955 in words is "fifteen million, three hundred twenty-eight thousand, nine hundred fifty-five".