11388474 has 24 divisors (see below), whose sum is σ = 25527060. Its totient is φ = 3665088.

The previous prime is 11388463. The next prime is 11388491. The reversal of 11388474 is 47488311.

It can be written as a sum of positive squares in 2 ways, for example, as 11269449 + 119025 = 3357^2 + 345^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 10387 + ... + 11430.

Almost surely, 2^11388474 is an apocalyptic number.

11388474 is an abundant number, since it is smaller than the sum of its proper divisors (14138586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11388474 is a wasteful number, since it uses less digits than its factorization.

11388474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21854 (or 21851 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 11388474 is about 3374.6813182877. The cubic root of 11388474 is about 224.9858361454.

The spelling of 11388474 in words is "eleven million, three hundred eighty-eight thousand, four hundred seventy-four".