434124391 has 2 divisors, whose sum is σ = 434124392. Its totient is φ = 434124390.

The previous prime is 434124371. The next prime is 434124401. The reversal of 434124391 is 193421434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434124391 - 2⁷ = 434124263 is a prime.

It is a super-2 number, since 2×434124391² = 376927973722241762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434124371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217062195 + 217062196.

It is an arithmetic number, because the mean of its divisors is an integer number (217062196).

Almost surely, 2^434124391 is an apocalyptic number.

434124391 is a deficient number, since it is larger than the sum of its proper divisors (1).

434124391 is an equidigital number, since it uses as much as digits as its factorization.

434124391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 434124391 is about 20835.6519216462. The cubic root of 434124391 is about 757.1897546991.

The spelling of 434124391 in words is "four hundred thirty-four million, one hundred twenty-four thousand, three hundred ninety-one".