15384216 has 32 divisors (see below), whose sum is σ = 38928960. Its totient is φ = 5065632.

The previous prime is 15384211. The next prime is 15384233. The reversal of 15384216 is 61248351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15384211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1870 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (1216530).

Almost surely, 2^15384216 is an apocalyptic number.

It is an amenable number.

15384216 is an abundant number, since it is smaller than the sum of its proper divisors (23544744).

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

15384216 is a wasteful number, since it uses less digits than its factorization.

15384216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7815 (or 7811 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 15384216 is about 3922.2717906846. The cubic root of 15384216 is about 248.7091651192.

The spelling of 15384216 in words is "fifteen million, three hundred eighty-four thousand, two hundred sixteen".