402616417 has 8 divisors (see below), whose sum is σ = 460281600. Its totient is φ = 344988384.

The previous prime is 402616397. The next prime is 402616421. The reversal of 402616417 is 714616204.

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

It is a cyclic number.

It is not a de Polignac number, because 402616417 - 2¹⁹ = 402092129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402616447) 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, 20184 + ... + 34822.

It is an arithmetic number, because the mean of its divisors is an integer number (57535200).

Almost surely, 2^402616417 is an apocalyptic number.

It is an amenable number.

402616417 is a deficient number, since it is larger than the sum of its proper divisors (57665183).

402616417 is a wasteful number, since it uses less digits than its factorization.

402616417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18575.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 402616417 is about 20065.3038103090. The cubic root of 402616417 is about 738.4093034603.

The spelling of 402616417 in words is "four hundred two million, six hundred sixteen thousand, four hundred seventeen".