15480998 has 16 divisors (see below), whose sum is σ = 25327680. Its totient is φ = 7053696.

The previous prime is 15480979. The next prime is 15481009. The reversal of 15480998 is 89908451.

15480998 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 2×15480998² = 479322598152008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715 + ... + 5822.

It is an arithmetic number, because the mean of its divisors is an integer number (1582980).

Almost surely, 2^15480998 is an apocalyptic number.

15480998 is a deficient number, since it is larger than the sum of its proper divisors (9846682).

15480998 is a wasteful number, since it uses less digits than its factorization.

15480998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 15480998 is about 3934.5899405148. The cubic root of 15480998 is about 249.2296178170.

The spelling of 15480998 in words is "fifteen million, four hundred eighty thousand, nine hundred ninety-eight".