15413889 has 4 divisors (see below), whose sum is σ = 20551856. Its totient is φ = 10275924.

The previous prime is 15413857. The next prime is 15413897. The reversal of 15413889 is 98831451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 15413889 - 2⁵ = 15413857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15413899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568979 + ... + 2568984.

It is an arithmetic number, because the mean of its divisors is an integer number (5137964).

Almost surely, 2^15413889 is an apocalyptic number.

It is an amenable number.

15413889 is a deficient number, since it is larger than the sum of its proper divisors (5137967).

15413889 is an equidigital number, since it uses as much as digits as its factorization.

15413889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5137966.

The product of its digits is 34560, while the sum is 39.

The square root of 15413889 is about 3926.0525977119. The cubic root of 15413889 is about 248.8689654264.

The spelling of 15413889 in words is "fifteen million, four hundred thirteen thousand, eight hundred eighty-nine".