406674 has 32 divisors (see below), whose sum is σ = 959040. Its totient is φ = 127296.

The previous prime is 406673. The next prime is 406697. The reversal of 406674 is 476604.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (406673) 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, 697 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (29970).

2⁴⁰⁶⁶⁷⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479520).

406674 is an abundant number, since it is smaller than the sum of its proper divisors (552366).

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

406674 is a wasteful number, since it uses less digits than its factorization.

406674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 406674 is about 637.7099654232. The cubic root of 406674 is about 74.0881588711.

The spelling of 406674 in words is "four hundred six thousand, six hundred seventy-four".