408622 has 4 divisors (see below), whose sum is σ = 612936. Its totient is φ = 204310.

The previous prime is 408607. The next prime is 408623. The reversal of 408622 is 226804.

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

It is a junction number, because it is equal to n+sod(n) for n = 408593 and 408602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102154 + ... + 102157.

It is an arithmetic number, because the mean of its divisors is an integer number (153234).

2⁴⁰⁸⁶²² is an apocalyptic number.

408622 is a deficient number, since it is larger than the sum of its proper divisors (204314).

408622 is a wasteful number, since it uses less digits than its factorization.

408622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204313.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 408622 is about 639.2354808676. The cubic root of 408622 is about 74.2062664987.

The spelling of 408622 in words is "four hundred eight thousand, six hundred twenty-two".