434133397 has 2 divisors, whose sum is σ = 434133398. Its totient is φ = 434133396.

The previous prime is 434133389. The next prime is 434133421. The reversal of 434133397 is 793331434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434055556 + 77841 = 20834^2 + 279^2 .

It is a cyclic number.

It is not a de Polignac number, because 434133397 - 2³ = 434133389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434133307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217066698 + 217066699.

It is an arithmetic number, because the mean of its divisors is an integer number (217066699).

Almost surely, 2^434133397 is an apocalyptic number.

It is an amenable number.

434133397 is a deficient number, since it is larger than the sum of its proper divisors (1).

434133397 is an equidigital number, since it uses as much as digits as its factorization.

434133397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 37.

The square root of 434133397 is about 20835.8680404729. The cubic root of 434133397 is about 757.1949906820.

The spelling of 434133397 in words is "four hundred thirty-four million, one hundred thirty-three thousand, three hundred ninety-seven".