15930420 has 48 divisors (see below), whose sum is σ = 48662208. Its totient is φ = 3861760.

The previous prime is 15930403. The next prime is 15930433. The reversal of 15930420 is 2403951.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11409 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (1013796).

Almost surely, 2^15930420 is an apocalyptic number.

15930420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15930420 is an abundant number, since it is smaller than the sum of its proper divisors (32731788).

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

15930420 is a wasteful number, since it uses less digits than its factorization.

15930420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24160 (or 24158 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 15930420 is about 3991.2930235702. The cubic root of 15930420 is about 251.6184070926.

The spelling of 15930420 in words is "fifteen million, nine hundred thirty thousand, four hundred twenty".