396202417 has 12 divisors (see below), whose sum is σ = 433464780. Its totient is φ = 361939968.

The previous prime is 396202369. The next prime is 396202447. The reversal of 396202417 is 714202693.

It can be written as a sum of positive squares in 6 ways, for example, as 4004001 + 392198416 = 2001^2 + 19804^2 .

It is a de Polignac number, because none of the positive numbers 2^k-396202417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396202447) 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, 4309 + ... + 28477.

It is an arithmetic number, because the mean of its divisors is an integer number (36122065).

Almost surely, 2^396202417 is an apocalyptic number.

It is an amenable number.

396202417 is a deficient number, since it is larger than the sum of its proper divisors (37262363).

396202417 is a wasteful number, since it uses less digits than its factorization.

396202417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24292 (or 24279 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 396202417 is about 19904.8340108628. The cubic root of 396202417 is about 734.4671455271.

The spelling of 396202417 in words is "three hundred ninety-six million, two hundred two thousand, four hundred seventeen".