440626 has 16 divisors (see below), whose sum is σ = 699840. Its totient is φ = 207760.

The previous prime is 440581. The next prime is 440641. The reversal of 440626 is 626044.

It is a junction number, because it is equal to n+sod(n) for n = 440597 and 440606.

It is an unprimeable number.

440626 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4065 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2⁴⁴⁰⁶²⁶ is an apocalyptic number.

440626 is a deficient number, since it is larger than the sum of its proper divisors (259214).

440626 is a wasteful number, since it uses less digits than its factorization.

440626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 440626 is about 663.7966556107. The cubic root of 440626 is about 76.0951025505.

The spelling of 440626 in words is "four hundred forty thousand, six hundred twenty-six".