402108361 has 16 divisors (see below), whose sum is σ = 437633280. Its totient is φ = 367966720.

The previous prime is 402108349. The next prime is 402108367. The reversal of 402108361 is 163801204.

It is a cyclic number.

It is not a de Polignac number, because 402108361 - 2¹⁵ = 402075593 is a prime.

It is a super-2 number, since 2×402108361² = 323382267972212642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402108367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249420 + ... + 251026.

It is an arithmetic number, because the mean of its divisors is an integer number (27352080).

Almost surely, 2^402108361 is an apocalyptic number.

402108361 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

402108361 is a deficient number, since it is larger than the sum of its proper divisors (35524919).

402108361 is a wasteful number, since it uses less digits than its factorization.

402108361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 402108361 is about 20052.6397514143. The cubic root of 402108361 is about 738.0985766145.

Adding to 402108361 its reverse (163801204), we get a palindrome (565909565).

The spelling of 402108361 in words is "four hundred two million, one hundred eight thousand, three hundred sixty-one".