404963 has 4 divisors (see below), whose sum is σ = 436128. Its totient is φ = 373800.

The previous prime is 404959. The next prime is 404969. The reversal of 404963 is 369404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404963 - 2² = 404959 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 404963.

It is not an unprimeable number, because it can be changed into a prime (404969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15563 + ... + 15588.

It is an arithmetic number, because the mean of its divisors is an integer number (109032).

2⁴⁰⁴⁹⁶³ is an apocalyptic number.

404963 is a deficient number, since it is larger than the sum of its proper divisors (31165).

404963 is a wasteful number, since it uses less digits than its factorization.

404963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31164.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 404963 is about 636.3670324585. The cubic root of 404963 is about 73.9841090787.

The spelling of 404963 in words is "four hundred four thousand, nine hundred sixty-three".