11790840 has 32 divisors (see below), whose sum is σ = 35372880. Its totient is φ = 3144192.

The previous prime is 11790833. The next prime is 11790851. The reversal of 11790840 is 4809711.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11790798 and 11790807.

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, 49009 + ... + 49248.

Almost surely, 2^11790840 is an apocalyptic number.

11790840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11790840 is an abundant number, since it is smaller than the sum of its proper divisors (23582040).

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

11790840 is a wasteful number, since it uses less digits than its factorization.

11790840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98271 (or 98267 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 11790840 is about 3433.7792590672. The cubic root of 11790840 is about 227.6048866274.

The spelling of 11790840 in words is "eleven million, seven hundred ninety thousand, eight hundred forty".