15478948 has 12 divisors (see below), whose sum is σ = 27202252. Its totient is φ = 7706880.

The previous prime is 15478927. The next prime is 15478949. The reversal of 15478948 is 84987451.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 6041764 = 3072^2 + 2458^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15478898 and 15478907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15478949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7065 + ... + 8992.

Almost surely, 2^15478948 is an apocalyptic number.

It is an amenable number.

15478948 is a deficient number, since it is larger than the sum of its proper divisors (11723304).

15478948 is a wasteful number, since it uses less digits than its factorization.

15478948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16302 (or 16300 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 15478948 is about 3934.3294218964. The cubic root of 15478948 is about 249.2186163025.

The spelling of 15478948 in words is "fifteen million, four hundred seventy-eight thousand, nine hundred forty-eight".