404460661 has 16 divisors (see below), whose sum is σ = 451793088. Its totient is φ = 358992000.

The previous prime is 404460631. The next prime is 404460697. The reversal of 404460661 is 166064404.

It is a cyclic number.

It is not a de Polignac number, because 404460661 - 2⁵ = 404460629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404460611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78610 + ... + 83596.

It is an arithmetic number, because the mean of its divisors is an integer number (28237068).

Almost surely, 2^404460661 is an apocalyptic number.

It is an amenable number.

404460661 is a deficient number, since it is larger than the sum of its proper divisors (47332427).

404460661 is a wasteful number, since it uses less digits than its factorization.

404460661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 404460661 is about 20111.2073481430. The cubic root of 404460661 is about 739.5350506364.

The spelling of 404460661 in words is "four hundred four million, four hundred sixty thousand, six hundred sixty-one".