15485398 has 4 divisors (see below), whose sum is σ = 23228100. Its totient is φ = 7742698.

The previous prime is 15485389. The next prime is 15485401. The reversal of 15485398 is 89358451.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3871348 + ... + 3871351.

It is an arithmetic number, because the mean of its divisors is an integer number (5807025).

Almost surely, 2^15485398 is an apocalyptic number.

15485398 is a deficient number, since it is larger than the sum of its proper divisors (7742702).

15485398 is an equidigital number, since it uses as much as digits as its factorization.

15485398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742701.

The product of its digits is 172800, while the sum is 43.

The square root of 15485398 is about 3935.1490441913. The cubic root of 15485398 is about 249.2532275447.

The spelling of 15485398 in words is "fifteen million, four hundred eighty-five thousand, three hundred ninety-eight".