15920094 has 16 divisors (see below), whose sum is σ = 33224832. Its totient is φ = 5075928.

The previous prime is 15920089. The next prime is 15920123. The reversal of 15920094 is 49002951.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57544 + ... + 57819.

It is an arithmetic number, because the mean of its divisors is an integer number (2076552).

Almost surely, 2^15920094 is an apocalyptic number.

15920094 is an abundant number, since it is smaller than the sum of its proper divisors (17304738).

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

15920094 is a wasteful number, since it uses less digits than its factorization.

15920094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115391.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 15920094 is about 3989.9992481202. Note that the first 3 decimals coincide. The cubic root of 15920094 is about 251.5640295086.

The spelling of 15920094 in words is "fifteen million, nine hundred twenty thousand, ninety-four".