406677822 has 16 divisors (see below), whose sum is σ = 813557520. Its totient is φ = 135525632.

The previous prime is 406677781. The next prime is 406677823. The reversal of 406677822 is 228776604.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406677823) 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, 35068 + ... + 45200.

It is an arithmetic number, because the mean of its divisors is an integer number (50847345).

Almost surely, 2^406677822 is an apocalyptic number.

406677822 is an abundant number, since it is smaller than the sum of its proper divisors (406879698).

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

406677822 is a wasteful number, since it uses less digits than its factorization.

406677822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16827.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 406677822 is about 20166.2545357337. The cubic root of 406677822 is about 740.8839096856.

The spelling of 406677822 in words is "four hundred six million, six hundred seventy-seven thousand, eight hundred twenty-two".