33400113 has 16 divisors (see below), whose sum is σ = 46534656. Its totient is φ = 21283920.

The previous prime is 33400093. The next prime is 33400139. The reversal of 33400113 is 31100433.

It is not a de Polignac number, because 33400113 - 2⁹ = 33399601 is a prime.

It is a super-2 number, since 2×33400113² = 2231135096825538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33400092 and 33400101.

It is not an unprimeable number, because it can be changed into a prime (33400183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5556 + ... + 9882.

It is an arithmetic number, because the mean of its divisors is an integer number (2908416).

Almost surely, 2^33400113 is an apocalyptic number.

It is an amenable number.

33400113 is a deficient number, since it is larger than the sum of its proper divisors (13134543).

33400113 is a wasteful number, since it uses less digits than its factorization.

33400113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 33400113 is about 5779.2830870273. The cubic root of 33400113 is about 322.0445683715.

Adding to 33400113 its reverse (31100433), we get a palindrome (64500546).

The spelling of 33400113 in words is "thirty-three million, four hundred thousand, one hundred thirteen".