404951401 has 4 divisors (see below), whose sum is σ = 408883072. Its totient is φ = 401019732.

The previous prime is 404951369. The next prime is 404951413. The reversal of 404951401 is 104159404.

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 404951401 - 2⁵ = 404951369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404951401.

It is not an unprimeable number, because it can be changed into a prime (404951461) 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, 1965681 + ... + 1965886.

It is an arithmetic number, because the mean of its divisors is an integer number (102220768).

Almost surely, 2^404951401 is an apocalyptic number.

It is an amenable number.

404951401 is a deficient number, since it is larger than the sum of its proper divisors (3931671).

404951401 is a wasteful number, since it uses less digits than its factorization.

404951401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931670.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 404951401 is about 20123.4043094105. The cubic root of 404951401 is about 739.8340271794.

The spelling of 404951401 in words is "four hundred four million, nine hundred fifty-one thousand, four hundred one".