623446 has 8 divisors (see below), whose sum is σ = 958104. Its totient is φ = 304080.

The previous prime is 623437. The next prime is 623477. The reversal of 623446 is 644326.

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

It is a self number, because there is not a number n which added to its sum of digits gives 623446.

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, 3720 + ... + 3883.

It is an arithmetic number, because the mean of its divisors is an integer number (119763).

2⁶²³⁴⁴⁶ is an apocalyptic number.

623446 is a deficient number, since it is larger than the sum of its proper divisors (334658).

623446 is a wasteful number, since it uses less digits than its factorization.

623446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7646.

The product of its digits is 3456, while the sum is 25.

The square root of 623446 is about 789.5859674538. The cubic root of 623446 is about 85.4278771194.

The spelling of 623446 in words is "six hundred twenty-three thousand, four hundred forty-six".