11349940 has 24 divisors (see below), whose sum is σ = 27240192. Its totient is φ = 3891360.

The previous prime is 11349887. The next prime is 11349953. The reversal of 11349940 is 4994311.

It is a super-2 number, since 2×11349940² = 257642276007200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40396 + ... + 40675.

It is an arithmetic number, because the mean of its divisors is an integer number (1135008).

Almost surely, 2^11349940 is an apocalyptic number.

11349940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11349940 is an abundant number, since it is smaller than the sum of its proper divisors (15890252).

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

11349940 is a wasteful number, since it uses less digits than its factorization.

11349940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81087 (or 81085 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 11349940 is about 3368.9672007902. The cubic root of 11349940 is about 224.7317956486.

The spelling of 11349940 in words is "eleven million, three hundred forty-nine thousand, nine hundred forty".