34974391 has 2 divisors, whose sum is σ = 34974392. Its totient is φ = 34974390.

The previous prime is 34974347. The next prime is 34974397. The reversal of 34974391 is 19347943.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34974391 - 2⁷ = 34974263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34974397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17487195 + 17487196.

It is an arithmetic number, because the mean of its divisors is an integer number (17487196).

Almost surely, 2^34974391 is an apocalyptic number.

34974391 is a deficient number, since it is larger than the sum of its proper divisors (1).

34974391 is an equidigital number, since it uses as much as digits as its factorization.

34974391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 34974391 is about 5913.9150315168. The cubic root of 34974391 is about 327.0268318034.

The spelling of 34974391 in words is "thirty-four million, nine hundred seventy-four thousand, three hundred ninety-one".