404827983 has 16 divisors (see below), whose sum is σ = 685423360. Its totient is φ = 231330168.

The previous prime is 404827979. The next prime is 404827993. The reversal of 404827983 is 389728404.

It is not a de Polignac number, because 404827983 - 2² = 404827979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404827933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1070785 + ... + 1071162.

It is an arithmetic number, because the mean of its divisors is an integer number (42838960).

Almost surely, 2^404827983 is an apocalyptic number.

404827983 is a deficient number, since it is larger than the sum of its proper divisors (280595377).

404827983 is a wasteful number, since it uses less digits than its factorization.

404827983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141963 (or 2141957 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 404827983 is about 20120.3375468703. The cubic root of 404827983 is about 739.7588592181.

The spelling of 404827983 in words is "four hundred four million, eight hundred twenty-seven thousand, nine hundred eighty-three".