404964271 has 4 divisors (see below), whose sum is σ = 426278200. Its totient is φ = 383650344.

The previous prime is 404964251. The next prime is 404964277. The reversal of 404964271 is 172469404.

It is a happy number.

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 404964271 - 2⁷ = 404964143 is a prime.

It is a super-2 number, since 2×404964271² = 327992121573122882, which contains 22 as substring.

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 404964271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404964277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10656936 + ... + 10656973.

It is an arithmetic number, because the mean of its divisors is an integer number (106569550).

Almost surely, 2^404964271 is an apocalyptic number.

404964271 is a deficient number, since it is larger than the sum of its proper divisors (21313929).

404964271 is a wasteful number, since it uses less digits than its factorization.

404964271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21313928.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 404964271 is about 20123.7240837773. The cubic root of 404964271 is about 739.8418647973.

The spelling of 404964271 in words is "four hundred four million, nine hundred sixty-four thousand, two hundred seventy-one".