406495000 has 40 divisors (see below), whose sum is σ = 952429500. Its totient is φ = 162596000.

The previous prime is 406494997. The next prime is 406495009. The reversal of 406495000 is 594604.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 406495000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406495009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35650 + ... + 45649.

Almost surely, 2^406495000 is an apocalyptic number.

406495000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406495000 is an abundant number, since it is smaller than the sum of its proper divisors (545934500).

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

406495000 is an equidigital number, since it uses as much as digits as its factorization.

406495000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81325 (or 81306 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 406495000 is about 20161.7211566870. The cubic root of 406495000 is about 740.7728716001.

The spelling of 406495000 in words is "four hundred six million, four hundred ninety-five thousand".