434165961 has 4 divisors (see below), whose sum is σ = 578887952. Its totient is φ = 289443972.

The previous prime is 434165957. The next prime is 434165999. The reversal of 434165961 is 169561434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 434165961 - 2² = 434165957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (434165161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72360991 + ... + 72360996.

It is an arithmetic number, because the mean of its divisors is an integer number (144721988).

Almost surely, 2^434165961 is an apocalyptic number.

It is an amenable number.

434165961 is a deficient number, since it is larger than the sum of its proper divisors (144721991).

434165961 is a wasteful number, since it uses less digits than its factorization.

434165961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144721990.

The product of its digits is 77760, while the sum is 39.

The square root of 434165961 is about 20836.6494667449. The cubic root of 434165961 is about 757.2139224062.

The spelling of 434165961 in words is "four hundred thirty-four million, one hundred sixty-five thousand, nine hundred sixty-one".