402706 has 8 divisors (see below), whose sum is σ = 607104. Its totient is φ = 200340.

The previous prime is 402697. The next prime is 402739. The reversal of 402706 is 607204.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171 + ... + 913.

It is an arithmetic number, because the mean of its divisors is an integer number (75888).

2⁴⁰²⁷⁰⁶ is an apocalyptic number.

402706 is a deficient number, since it is larger than the sum of its proper divisors (204398).

402706 is a wasteful number, since it uses less digits than its factorization.

402706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 402706 is about 634.5912069986. The cubic root of 402706 is about 73.8464065274.

The spelling of 402706 in words is "four hundred two thousand, seven hundred six".