400673822 has 16 divisors (see below), whose sum is σ = 621032832. Its totient is φ = 193676160.

The previous prime is 400673821. The next prime is 400673837. The reversal of 400673822 is 228376004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400673821) 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, 71258 + ... + 76674.

It is an arithmetic number, because the mean of its divisors is an integer number (38814552).

Almost surely, 2^400673822 is an apocalyptic number.

400673822 is a deficient number, since it is larger than the sum of its proper divisors (220359010).

400673822 is a wasteful number, since it uses less digits than its factorization.

400673822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 400673822 is about 20016.8384616552. The cubic root of 400673822 is about 737.2197978735.

The spelling of 400673822 in words is "four hundred million, six hundred seventy-three thousand, eight hundred twenty-two".