116990417 has 2 divisors, whose sum is σ = 116990418. Its totient is φ = 116990416.

The previous prime is 116990407. The next prime is 116990431. The reversal of 116990417 is 714099611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110859841 + 6130576 = 10529^2 + 2476^2 .

It is a cyclic number.

It is not a de Polignac number, because 116990417 - 2²² = 112796113 is a prime.

It is not a weakly prime, because it can be changed into another prime (116990407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58495208 + 58495209.

It is an arithmetic number, because the mean of its divisors is an integer number (58495209).

Almost surely, 2^116990417 is an apocalyptic number.

It is an amenable number.

116990417 is a deficient number, since it is larger than the sum of its proper divisors (1).

116990417 is an equidigital number, since it uses as much as digits as its factorization.

116990417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 116990417 is about 10816.2108429893. The cubic root of 116990417 is about 489.0839709539.

The spelling of 116990417 in words is "one hundred sixteen million, nine hundred ninety thousand, four hundred seventeen".