434202397 has 2 divisors, whose sum is σ = 434202398. Its totient is φ = 434202396.

The previous prime is 434202343. The next prime is 434202427. The reversal of 434202397 is 793202434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 402965476 + 31236921 = 20074^2 + 5589^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434202397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434200397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217101198 + 217101199.

It is an arithmetic number, because the mean of its divisors is an integer number (217101199).

Almost surely, 2^434202397 is an apocalyptic number.

It is an amenable number.

434202397 is a deficient number, since it is larger than the sum of its proper divisors (1).

434202397 is an equidigital number, since it uses as much as digits as its factorization.

434202397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 434202397 is about 20837.5237732318. The cubic root of 434202397 is about 757.2351040719.

The spelling of 434202397 in words is "four hundred thirty-four million, two hundred two thousand, three hundred ninety-seven".