402316 has 12 divisors (see below), whose sum is σ = 734832. Its totient is φ = 192368.

The previous prime is 402313. The next prime is 402329. The reversal of 402316 is 613204.

It is a self number, because there is not a number n which added to its sum of digits gives 402316.

It is not an unprimeable number, because it can be changed into a prime (402313) 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, 2095 + ... + 2278.

It is an arithmetic number, because the mean of its divisors is an integer number (61236).

2⁴⁰²³¹⁶ is an apocalyptic number.

402316 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

402316 is a deficient number, since it is larger than the sum of its proper divisors (332516).

402316 is a wasteful number, since it uses less digits than its factorization.

402316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 402316 is about 634.2838481311. The cubic root of 402316 is about 73.8225600151.

The spelling of 402316 in words is "four hundred two thousand, three hundred sixteen".