15481492 has 48 divisors (see below), whose sum is σ = 31413312. Its totient is φ = 6612480.

The previous prime is 15481483. The next prime is 15481513. The reversal of 15481492 is 29418451.

It is a happy number.

15481492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73267 + ... + 73477.

It is an arithmetic number, because the mean of its divisors is an integer number (654444).

Almost surely, 2^15481492 is an apocalyptic number.

It is an amenable number.

15481492 is an abundant number, since it is smaller than the sum of its proper divisors (15931820).

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

15481492 is a wasteful number, since it uses less digits than its factorization.

15481492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 15481492 is about 3934.6527165685. The cubic root of 15481492 is about 249.2322687684.

The spelling of 15481492 in words is "fifteen million, four hundred eighty-one thousand, four hundred ninety-two".