404143674 has 64 divisors (see below), whose sum is σ = 911941632. Its totient is φ = 118324800.

The previous prime is 404143673. The next prime is 404143679. The reversal of 404143674 is 476341404.

It is a super-4 number, since 4×404143674⁴ (a number of 36 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (404143673) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407319 + ... + 408309.

It is an arithmetic number, because the mean of its divisors is an integer number (14249088).

Almost surely, 2^404143674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404143674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455970816).

404143674 is an abundant number, since it is smaller than the sum of its proper divisors (507797958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404143674 is a wasteful number, since it uses less digits than its factorization.

404143674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 404143674 is about 20103.3249488735. The cubic root of 404143674 is about 739.3418021225.

The spelling of 404143674 in words is "four hundred four million, one hundred forty-three thousand, six hundred seventy-four".