406899 has 12 divisors (see below), whose sum is σ = 608400. Its totient is φ = 261744.

The previous prime is 406883. The next prime is 406907. The reversal of 406899 is 998604.

It is not a de Polignac number, because 406899 - 2⁴ = 406883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (50700).

2⁴⁰⁶⁸⁹⁹ is an apocalyptic number.

406899 is a deficient number, since it is larger than the sum of its proper divisors (201501).

406899 is a wasteful number, since it uses less digits than its factorization.

406899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1591 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 406899 is about 637.8863535145. The cubic root of 406899 is about 74.1018199054.

The spelling of 406899 in words is "four hundred six thousand, eight hundred ninety-nine".