402206 has 8 divisors (see below), whose sum is σ = 689520. Its totient is φ = 172368.

The previous prime is 402197. The next prime is 402221. The reversal of 402206 is 602204.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 28729 = 402206 / (4 + 0 + 2 + 2 + 0 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14351 + ... + 14378.

It is an arithmetic number, because the mean of its divisors is an integer number (86190).

2⁴⁰²²⁰⁶ is an apocalyptic number.

402206 is a deficient number, since it is larger than the sum of its proper divisors (287314).

402206 is a wasteful number, since it uses less digits than its factorization.

402206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28738.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 402206 is about 634.1971302363. The cubic root of 402206 is about 73.8158312896.

The spelling of 402206 in words is "four hundred two thousand, two hundred six".