11393740 has 96 divisors (see below), whose sum is σ = 27869184. Its totient is φ = 3886080.

The previous prime is 11393737. The next prime is 11393741. The reversal of 11393740 is 4739311.

It is a super-2 number, since 2×11393740² = 259634622375200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11393699 and 11393708.

It is not an unprimeable number, because it can be changed into a prime (11393741) 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, 242397 + ... + 242443.

It is an arithmetic number, because the mean of its divisors is an integer number (290304).

Almost surely, 2^11393740 is an apocalyptic number.

11393740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11393740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13934592).

11393740 is an abundant number, since it is smaller than the sum of its proper divisors (16475444).

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

11393740 is a wasteful number, since it uses less digits than its factorization.

11393740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 11393740 is about 3375.4614499354. The cubic root of 11393740 is about 225.0205084187.

The spelling of 11393740 in words is "eleven million, three hundred ninety-three thousand, seven hundred forty".