15973146 has 32 divisors (see below), whose sum is σ = 40567680. Its totient is φ = 4563648.

The previous prime is 15973127. The next prime is 15973147. The reversal of 15973146 is 64137951.

It is a self number, because there is not a number n which added to its sum of digits gives 15973146.

It is not an unprimeable number, because it can be changed into a prime (15973147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20751 + ... + 21506.

It is an arithmetic number, because the mean of its divisors is an integer number (1267740).

Almost surely, 2^15973146 is an apocalyptic number.

15973146 is an abundant number, since it is smaller than the sum of its proper divisors (24594534).

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

15973146 is a wasteful number, since it uses less digits than its factorization.

15973146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42275 (or 42269 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 15973146 is about 3996.6418403455. The cubic root of 15973146 is about 251.8431563698.

The spelling of 15973146 in words is "fifteen million, nine hundred seventy-three thousand, one hundred forty-six".