11478838 has 32 divisors (see below), whose sum is σ = 20808000. Its totient is φ = 4741632.

The previous prime is 11478833. The next prime is 11478881. The reversal of 11478838 is 83887411.

It is a self number, because there is not a number n which added to its sum of digits gives 11478838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19606 + ... + 20182.

It is an arithmetic number, because the mean of its divisors is an integer number (650250).

Almost surely, 2^11478838 is an apocalyptic number.

11478838 is a deficient number, since it is larger than the sum of its proper divisors (9329162).

11478838 is an equidigital number, since it uses as much as digits as its factorization.

11478838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 615 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 11478838 is about 3388.0433881519. The cubic root of 11478838 is about 225.5793333809.

The spelling of 11478838 in words is "eleven million, four hundred seventy-eight thousand, eight hundred thirty-eight".