400196799 has 24 divisors (see below), whose sum is σ = 594549072. Its totient is φ = 259284480.

The previous prime is 400196759. The next prime is 400196801. The reversal of 400196799 is 997691004.

It is not a de Polignac number, because 400196799 - 2⁹ = 400196287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400196729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47119 + ... + 54959.

It is an arithmetic number, because the mean of its divisors is an integer number (24772878).

Almost surely, 2^400196799 is an apocalyptic number.

400196799 is a deficient number, since it is larger than the sum of its proper divisors (194352273).

400196799 is a wasteful number, since it uses less digits than its factorization.

400196799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8007 (or 8004 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 400196799 is about 20004.9193699950. The cubic root of 400196799 is about 736.9271155357.

The spelling of 400196799 in words is "four hundred million, one hundred ninety-six thousand, seven hundred ninety-nine".