11356938 has 12 divisors (see below), whose sum is σ = 24606738. Its totient is φ = 3785640.

The previous prime is 11356937. The next prime is 11356949. The reversal of 11356938 is 83965311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10131489 + 1225449 = 3183^2 + 1107^2 .

It is not an unprimeable number, because it can be changed into a prime (11356937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 315453 + ... + 315488.

Almost surely, 2^11356938 is an apocalyptic number.

11356938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11356938 is an abundant number, since it is smaller than the sum of its proper divisors (13249800).

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

11356938 is a wasteful number, since it uses less digits than its factorization.

11356938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630949 (or 630946 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 11356938 is about 3370.0056379775. The cubic root of 11356938 is about 224.7779735725. Note that the first 3 decimals are identical.

The spelling of 11356938 in words is "eleven million, three hundred fifty-six thousand, nine hundred thirty-eight".