404313961 has 4 divisors (see below), whose sum is σ = 411166800. Its totient is φ = 397461124.

The previous prime is 404313953. The next prime is 404313967. The reversal of 404313961 is 169313404.

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 a cyclic number.

It is not a de Polignac number, because 404313961 - 2³ = 404313953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404313967) 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, 3426331 + ... + 3426448.

It is an arithmetic number, because the mean of its divisors is an integer number (102791700).

Almost surely, 2^404313961 is an apocalyptic number.

It is an amenable number.

404313961 is a deficient number, since it is larger than the sum of its proper divisors (6852839).

404313961 is an equidigital number, since it uses as much as digits as its factorization.

404313961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6852838.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 404313961 is about 20107.5597972504. The cubic root of 404313961 is about 739.4456287456.

The spelling of 404313961 in words is "four hundred four million, three hundred thirteen thousand, nine hundred sixty-one".