406492422 has 32 divisors (see below), whose sum is σ = 978028800. Its totient is φ = 110027808.

The previous prime is 406492399. The next prime is 406492439. The reversal of 406492422 is 224294604.

It is a congruent number.

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, 253897 + ... + 255492.

It is an arithmetic number, because the mean of its divisors is an integer number (30563400).

Almost surely, 2^406492422 is an apocalyptic number.

406492422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

406492422 is an abundant number, since it is smaller than the sum of its proper divisors (571536378).

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

406492422 is a wasteful number, since it uses less digits than its factorization.

406492422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509420.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 406492422 is about 20161.6572235518. The cubic root of 406492422 is about 740.7713055976.

It can be divided in two parts, 40649 and 2422, that added together give a triangular number (43071 = T₂₉₃).

The spelling of 406492422 in words is "four hundred six million, four hundred ninety-two thousand, four hundred twenty-two".