11393880 has 32 divisors (see below), whose sum is σ = 34182000. Its totient is φ = 3038336.

The previous prime is 11393873. The next prime is 11393923. The reversal of 11393880 is 8839311.

It is a super-3 number, since 3×11393880³ (a number of 22 digits) contains 333 as substring.

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, 47355 + ... + 47594.

Almost surely, 2^11393880 is an apocalyptic number.

11393880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11393880 is an abundant number, since it is smaller than the sum of its proper divisors (22788120).

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

11393880 is a wasteful number, since it uses less digits than its factorization.

11393880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94963 (or 94959 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 11393880 is about 3375.4821877770. The cubic root of 11393880 is about 225.0214300576.

The spelling of 11393880 in words is "eleven million, three hundred ninety-three thousand, eight hundred eighty".