11398475 has 24 divisors (see below), whose sum is σ = 15571920. Its totient is φ = 8208000.

The previous prime is 11398469. The next prime is 11398477. The reversal of 11398475 is 57489311.

It is not a de Polignac number, because 11398475 - 2⁴ = 11398459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11398477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49661 + ... + 49889.

It is an arithmetic number, because the mean of its divisors is an integer number (648830).

Almost surely, 2^11398475 is an apocalyptic number.

11398475 is a deficient number, since it is larger than the sum of its proper divisors (4173445).

11398475 is a wasteful number, since it uses less digits than its factorization.

11398475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 426 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 11398475 is about 3376.1627626641. The cubic root of 11398475 is about 225.0516753737.

The spelling of 11398475 in words is "eleven million, three hundred ninety-eight thousand, four hundred seventy-five".