404607 has 8 divisors (see below), whose sum is σ = 616576. Its totient is φ = 231192.

The previous prime is 404597. The next prime is 404671. The reversal of 404607 is 706404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 404607 - 2¹¹ = 402559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 19267 = 404607 / (4 + 0 + 4 + 6 + 0 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9613 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (77072).

2⁴⁰⁴⁶⁰⁷ is an apocalyptic number.

404607 is a deficient number, since it is larger than the sum of its proper divisors (211969).

404607 is a wasteful number, since it uses less digits than its factorization.

404607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19277.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 404607 is about 636.0872581651. The cubic root of 404607 is about 73.9624230937.

The spelling of 404607 in words is "four hundred four thousand, six hundred seven".