404062973 has 4 divisors (see below), whose sum is σ = 404241180. Its totient is φ = 403884768.

The previous prime is 404062969. The next prime is 404062979. The reversal of 404062973 is 379260404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 61183684 + 342879289 = 7822^2 + 18517^2 .

It is a cyclic number.

It is not a de Polignac number, because 404062973 - 2² = 404062969 is a prime.

It is a super-2 number, since 2×404062973² = 326533772299197458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404062979) 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, 85658 + ... + 90251.

It is an arithmetic number, because the mean of its divisors is an integer number (101060295).

Almost surely, 2^404062973 is an apocalyptic number.

It is an amenable number.

404062973 is a deficient number, since it is larger than the sum of its proper divisors (178207).

404062973 is a wasteful number, since it uses less digits than its factorization.

404062973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178206.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 404062973 is about 20101.3176931265. The cubic root of 404062973 is about 739.2925872859.

The spelling of 404062973 in words is "four hundred four million, sixty-two thousand, nine hundred seventy-three".