400868883 has 12 divisors (see below), whose sum is σ = 579644208. Its totient is φ = 266963760.

The previous prime is 400868879. The next prime is 400868887. The reversal of 400868883 is 388868004.

It is an interprime number because it is at equal distance from previous prime (400868879) and next prime (400868887).

It is not a de Polignac number, because 400868883 - 2² = 400868879 is a prime.

It is a super-2 number, since 2×400868883² = 321391722715335378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (400868887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14328 + ... + 31733.

It is an arithmetic number, because the mean of its divisors is an integer number (48303684).

Almost surely, 2^400868883 is an apocalyptic number.

400868883 is a deficient number, since it is larger than the sum of its proper divisors (178775325).

400868883 is a wasteful number, since it uses less digits than its factorization.

400868883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47034 (or 47031 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 400868883 is about 20021.7102915810. The cubic root of 400868883 is about 737.3394126270.

The spelling of 400868883 in words is "four hundred million, eight hundred sixty-eight thousand, eight hundred eighty-three".