11400885 has 32 divisors (see below), whose sum is σ = 20544000. Its totient is φ = 5997888.

The previous prime is 11400881. The next prime is 11400887. The reversal of 11400885 is 58800411.

It is not a de Polignac number, because 11400885 - 2² = 11400881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10131 + ... + 11199.

It is an arithmetic number, because the mean of its divisors is an integer number (642000).

Almost surely, 2^11400885 is an apocalyptic number.

11400885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11400885 is a deficient number, since it is larger than the sum of its proper divisors (9143115).

11400885 is a wasteful number, since it uses less digits than its factorization.

11400885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1156 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 11400885 is about 3376.5196578726. The cubic root of 11400885 is about 225.0675352824.

The spelling of 11400885 in words is "eleven million, four hundred thousand, eight hundred eighty-five".