402086 has 8 divisors (see below), whose sum is σ = 629424. Its totient is φ = 192280.

The previous prime is 402071. The next prime is 402089. The reversal of 402086 is 680204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402089) 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, 4325 + ... + 4416.

It is an arithmetic number, because the mean of its divisors is an integer number (78678).

2⁴⁰²⁰⁸⁶ is an apocalyptic number.

402086 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

402086 is a deficient number, since it is larger than the sum of its proper divisors (227338).

402086 is a wasteful number, since it uses less digits than its factorization.

402086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8766.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 402086 is about 634.1025153711. The cubic root of 402086 is about 73.8084894624.

The spelling of 402086 in words is "four hundred two thousand, eighty-six".