408499 has 12 divisors (see below), whose sum is σ = 510384. Its totient is φ = 318384.

The previous prime is 408497. The next prime is 408533. The reversal of 408499 is 994804.

It is not a de Polignac number, because 408499 - 2¹ = 408497 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 6064 + ... + 6130.

It is an arithmetic number, because the mean of its divisors is an integer number (42532).

2⁴⁰⁸⁴⁹⁹ is an apocalyptic number.

408499 is a deficient number, since it is larger than the sum of its proper divisors (101885).

408499 is an equidigital number, since it uses as much as digits as its factorization.

408499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 408499 is about 639.1392649494. The cubic root of 408499 is about 74.1988201002.

The spelling of 408499 in words is "four hundred eight thousand, four hundred ninety-nine".