15480949 has 8 divisors (see below), whose sum is σ = 16951392. Its totient is φ = 14021040.

The previous prime is 15480947. The next prime is 15480961. The reversal of 15480949 is 94908451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15480949 - 2¹ = 15480947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15480947) 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 7 ways as a sum of consecutive naturals, for example, 627 + ... + 5599.

It is an arithmetic number, because the mean of its divisors is an integer number (2118924).

Almost surely, 2^15480949 is an apocalyptic number.

It is an amenable number.

15480949 is a deficient number, since it is larger than the sum of its proper divisors (1470443).

15480949 is a wasteful number, since it uses less digits than its factorization.

15480949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5267.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 15480949 is about 3934.5837136856. The cubic root of 15480949 is about 249.2293548653.

The spelling of 15480949 in words is "fifteen million, four hundred eighty thousand, nine hundred forty-nine".