406299 has 4 divisors (see below), whose sum is σ = 541736. Its totient is φ = 270864.

The previous prime is 406271. The next prime is 406309. The reversal of 406299 is 992604.

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

It is not a de Polignac number, because 406299 - 2⁵ = 406267 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406499) 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, 67714 + ... + 67719.

It is an arithmetic number, because the mean of its divisors is an integer number (135434).

2⁴⁰⁶²⁹⁹ is an apocalyptic number.

406299 is a deficient number, since it is larger than the sum of its proper divisors (135437).

406299 is a wasteful number, since it uses less digits than its factorization.

406299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135436.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 406299 is about 637.4158768026. The cubic root of 406299 is about 74.0653792788.

The spelling of 406299 in words is "four hundred six thousand, two hundred ninety-nine".