15428984 has 8 divisors (see below), whose sum is σ = 28929360. Its totient is φ = 7714488.

The previous prime is 15428981. The next prime is 15428993. The reversal of 15428984 is 48982451.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15428981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964304 + ... + 964319.

It is an arithmetic number, because the mean of its divisors is an integer number (3616170).

Almost surely, 2^15428984 is an apocalyptic number.

It is an amenable number.

15428984 is a deficient number, since it is larger than the sum of its proper divisors (13500376).

15428984 is a wasteful number, since it uses less digits than its factorization.

15428984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928629 (or 1928625 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 15428984 is about 3927.9745416690. The cubic root of 15428984 is about 248.9501790077.

The spelling of 15428984 in words is "fifteen million, four hundred twenty-eight thousand, nine hundred eighty-four".