407923122 has 16 divisors (see below), whose sum is σ = 858785760. Its totient is φ = 128817792.

The previous prime is 407923081. The next prime is 407923123. The reversal of 407923122 is 221329704.

It is a self number, because there is not a number n which added to its sum of digits gives 407923122.

It is not an unprimeable number, because it can be changed into a prime (407923123) 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, 1789023 + ... + 1789250.

It is an arithmetic number, because the mean of its divisors is an integer number (53674110).

Almost surely, 2^407923122 is an apocalyptic number.

407923122 is an abundant number, since it is smaller than the sum of its proper divisors (450862638).

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

407923122 is a wasteful number, since it uses less digits than its factorization.

407923122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578297.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 407923122 is about 20197.1067730009. The cubic root of 407923122 is about 741.6393665048.

The spelling of 407923122 in words is "four hundred seven million, nine hundred twenty-three thousand, one hundred twenty-two".