15216948 has 36 divisors (see below), whose sum is σ = 40491360. Its totient is φ = 4805136.

The previous prime is 15216947. The next prime is 15216977. The reversal of 15216948 is 84961251.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15216941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10440 + ... + 11807.

It is an arithmetic number, because the mean of its divisors is an integer number (1124760).

Almost surely, 2^15216948 is an apocalyptic number.

15216948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

15216948 is an abundant number, since it is smaller than the sum of its proper divisors (25274412).

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

15216948 is a wasteful number, since it uses less digits than its factorization.

15216948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22276 (or 22271 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 15216948 is about 3900.8906675271. The cubic root of 15216948 is about 247.8044981957.

The spelling of 15216948 in words is "fifteen million, two hundred sixteen thousand, nine hundred forty-eight".