408662 has 4 divisors (see below), whose sum is σ = 612996. Its totient is φ = 204330.

The previous prime is 408659. The next prime is 408677. The reversal of 408662 is 266804.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102164 + ... + 102167.

It is an arithmetic number, because the mean of its divisors is an integer number (153249).

2⁴⁰⁸⁶⁶² is an apocalyptic number.

408662 is a deficient number, since it is larger than the sum of its proper divisors (204334).

408662 is a wasteful number, since it uses less digits than its factorization.

408662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204333.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 408662 is about 639.2667674766. The cubic root of 408662 is about 74.2086877698.

The spelling of 408662 in words is "four hundred eight thousand, six hundred sixty-two".