15480988 has 6 divisors (see below), whose sum is σ = 27091736. Its totient is φ = 7740492.

The previous prime is 15480979. The next prime is 15481009. The reversal of 15480988 is 88908451.

15480988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15480988² = 479321978912288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1935120 + ... + 1935127.

Almost surely, 2^15480988 is an apocalyptic number.

It is an amenable number.

15480988 is a deficient number, since it is larger than the sum of its proper divisors (11610748).

15480988 is a wasteful number, since it uses less digits than its factorization.

15480988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870251 (or 3870249 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 15480988 is about 3934.5886697341. The cubic root of 15480988 is about 249.2295641534.

The spelling of 15480988 in words is "fifteen million, four hundred eighty thousand, nine hundred eighty-eight".