434396731 has 2 divisors, whose sum is σ = 434396732. Its totient is φ = 434396730.

The previous prime is 434396717. The next prime is 434396773. The reversal of 434396731 is 137693434.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434396731 - 2⁷ = 434396603 is a prime.

It is a super-2 number, since 2×434396731² = 377401039806972722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434390731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217198365 + 217198366.

It is an arithmetic number, because the mean of its divisors is an integer number (217198366).

Almost surely, 2^434396731 is an apocalyptic number.

434396731 is a deficient number, since it is larger than the sum of its proper divisors (1).

434396731 is an equidigital number, since it uses as much as digits as its factorization.

434396731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 40.

The square root of 434396731 is about 20842.1863296536. The cubic root of 434396731 is about 757.3480579840.

The spelling of 434396731 in words is "four hundred thirty-four million, three hundred ninety-six thousand, seven hundred thirty-one".