402662 has 16 divisors (see below), whose sum is σ = 689472. Its totient is φ = 174720.

The previous prime is 402631. The next prime is 402691. The reversal of 402662 is 266204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14 + ... + 897.

It is an arithmetic number, because the mean of its divisors is an integer number (43092).

2⁴⁰²⁶⁶² is an apocalyptic number.

402662 is a deficient number, since it is larger than the sum of its proper divisors (286810).

402662 is a wasteful number, since it uses less digits than its factorization.

402662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 402662 is about 634.5565380642. The cubic root of 402662 is about 73.8437169223.

Adding to 402662 its reverse (266204), we get a palindrome (668866).

The spelling of 402662 in words is "four hundred two thousand, six hundred sixty-two".