406031622 has 16 divisors (see below), whose sum is σ = 827385840. Its totient is φ = 132790112.

The previous prime is 406031597. The next prime is 406031623. The reversal of 406031622 is 226130604.

It is a junction number, because it is equal to n+sod(n) for n = 406031592 and 406031601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406031623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638097 + ... + 638732.

It is an arithmetic number, because the mean of its divisors is an integer number (51711615).

Almost surely, 2^406031622 is an apocalyptic number.

406031622 is an abundant number, since it is smaller than the sum of its proper divisors (421354218).

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

406031622 is a wasteful number, since it uses less digits than its factorization.

406031622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276887.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 406031622 is about 20150.2263510860. The cubic root of 406031622 is about 740.4912868615.

The spelling of 406031622 in words is "four hundred six million, thirty-one thousand, six hundred twenty-two".