404307 has 12 divisors (see below), whose sum is σ = 589680. Its totient is φ = 266928.

The previous prime is 404291. The next prime is 404309. The reversal of 404307 is 703404.

It is not a de Polignac number, because 404307 - 2⁴ = 404291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404307.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 404307.

It is not an unprimeable number, because it can be changed into a prime (404309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1369 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁴⁰⁴³⁰⁷ is an apocalyptic number.

404307 is a deficient number, since it is larger than the sum of its proper divisors (185373).

404307 is a wasteful number, since it uses less digits than its factorization.

404307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 404307 is about 635.8513977338. The cubic root of 404307 is about 73.9441385088.

The spelling of 404307 in words is "four hundred four thousand, three hundred seven", and thus it is an iban number.