113890949 has 2 divisors, whose sum is σ = 113890950. Its totient is φ = 113890948.

The previous prime is 113890943. The next prime is 113890969. The reversal of 113890949 is 949098311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99640324 + 14250625 = 9982^2 + 3775^2 .

It is a cyclic number.

It is not a de Polignac number, because 113890949 - 2¹² = 113886853 is a prime.

It is a super-2 number, since 2×113890949² = 25942296528241202, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113890943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56945474 + 56945475.

It is an arithmetic number, because the mean of its divisors is an integer number (56945475).

Almost surely, 2^113890949 is an apocalyptic number.

It is an amenable number.

113890949 is a deficient number, since it is larger than the sum of its proper divisors (1).

113890949 is an equidigital number, since it uses as much as digits as its factorization.

113890949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 113890949 is about 10671.9702492089. The cubic root of 113890949 is about 484.7260989320.

The spelling of 113890949 in words is "one hundred thirteen million, eight hundred ninety thousand, nine hundred forty-nine".