405974 has 4 divisors (see below), whose sum is σ = 608964. Its totient is φ = 202986.

The previous prime is 405967. The next prime is 405989. The reversal of 405974 is 479504.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 405974.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101492 + ... + 101495.

It is an arithmetic number, because the mean of its divisors is an integer number (152241).

2⁴⁰⁵⁹⁷⁴ is an apocalyptic number.

405974 is a deficient number, since it is larger than the sum of its proper divisors (202990).

405974 is a wasteful number, since it uses less digits than its factorization.

405974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202989.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 405974 is about 637.1608901996. The cubic root of 405974 is about 74.0456256250.

The spelling of 405974 in words is "four hundred five thousand, nine hundred seventy-four".