15488442 has 32 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 5136480.

The previous prime is 15488441. The next prime is 15488467. The reversal of 15488442 is 24488451.

It is a junction number, because it is equal to n+sod(n) for n = 15488397 and 15488406.

It is not an unprimeable number, because it can be changed into a prime (15488441) 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, 11967 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (1081080).

Almost surely, 2^15488442 is an apocalyptic number.

15488442 is an abundant number, since it is smaller than the sum of its proper divisors (19106118).

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

15488442 is a wasteful number, since it uses less digits than its factorization.

15488442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1469 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 15488442 is about 3935.5357957971. The cubic root of 15488442 is about 249.2695585664.

Subtracting 15488442 from its reverse (24488451), we obtain a palindrome (9000009).

The spelling of 15488442 in words is "fifteen million, four hundred eighty-eight thousand, four hundred forty-two".