408494 has 8 divisors (see below), whose sum is σ = 633960. Its totient is φ = 197176.

The previous prime is 408491. The next prime is 408497. The reversal of 408494 is 494804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (408491) and next prime (408497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408491) 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, 3464 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (79245).

2⁴⁰⁸⁴⁹⁴ is an apocalyptic number.

408494 is a deficient number, since it is larger than the sum of its proper divisors (225466).

408494 is a wasteful number, since it uses less digits than its factorization.

408494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 408494 is about 639.1353534268. The cubic root of 408494 is about 74.1985173695.

The spelling of 408494 in words is "four hundred eight thousand, four hundred ninety-four".