400413017 has 4 divisors (see below), whose sum is σ = 401623056. Its totient is φ = 399202980.

The previous prime is 400412983. The next prime is 400413037. The reversal of 400413017 is 710314004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400413017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400413017.

It is not an unprimeable number, because it can be changed into a prime (400413037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604523 + ... + 605184.

It is an arithmetic number, because the mean of its divisors is an integer number (100405764).

Almost surely, 2^400413017 is an apocalyptic number.

It is an amenable number.

400413017 is a deficient number, since it is larger than the sum of its proper divisors (1210039).

400413017 is a wasteful number, since it uses less digits than its factorization.

400413017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210038.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 400413017 is about 20010.3227610151. The cubic root of 400413017 is about 737.0598071020.

The spelling of 400413017 in words is "four hundred million, four hundred thirteen thousand, seventeen".