402002017 has 8 divisors (see below), whose sum is σ = 421774592. Its totient is φ = 382654800.

The previous prime is 402002011. The next prime is 402002023. The reversal of 402002017 is 710200204.

It is an interprime number because it is at equal distance from previous prime (402002011) and next prime (402002023).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402002017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402002011) 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, 104403 + ... + 108184.

It is an arithmetic number, because the mean of its divisors is an integer number (52721824).

Almost surely, 2^402002017 is an apocalyptic number.

It is an amenable number.

402002017 is a deficient number, since it is larger than the sum of its proper divisors (19772575).

402002017 is a wasteful number, since it uses less digits than its factorization.

402002017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212679.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 402002017 is about 20049.9879551086. The cubic root of 402002017 is about 738.0335035453.

The spelling of 402002017 in words is "four hundred two million, two thousand, seventeen".