406899504 has 80 divisors (see below), whose sum is σ = 1274144640. Its totient is φ = 123301440.

The previous prime is 406899499. The next prime is 406899517. The reversal of 406899504 is 405998604.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 406899504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38062 + ... + 47565.

It is an arithmetic number, because the mean of its divisors is an integer number (15926808).

Almost surely, 2^406899504 is an apocalyptic number.

406899504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

406899504 is an abundant number, since it is smaller than the sum of its proper divisors (867245136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406899504 is a wasteful number, since it uses less digits than its factorization.

406899504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85655 (or 85643 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 406899504 is about 20171.7501471736. The cubic root of 406899504 is about 741.0185050043.

The spelling of 406899504 in words is "four hundred six million, eight hundred ninety-nine thousand, five hundred four".