15233994 has 40 divisors (see below), whose sum is σ = 34360128. Its totient is φ = 5044680.

The previous prime is 15233993. The next prime is 15234013. The reversal of 15233994 is 49933251.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15233993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43729 + ... + 44075.

Almost surely, 2^15233994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15233994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17180064).

15233994 is an abundant number, since it is smaller than the sum of its proper divisors (19126134).

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

15233994 is a wasteful number, since it uses less digits than its factorization.

15233994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 623 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 15233994 is about 3903.0749416326. The cubic root of 15233994 is about 247.8969937296.

The spelling of 15233994 in words is "fifteen million, two hundred thirty-three thousand, nine hundred ninety-four".