440629 has 8 divisors (see below), whose sum is σ = 530240. Its totient is φ = 357696.

The previous prime is 440581. The next prime is 440641. The reversal of 440629 is 926044.

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

It is a cyclic number.

It is not a de Polignac number, because 440629 - 2⁷ = 440501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524 + ... + 1789.

It is an arithmetic number, because the mean of its divisors is an integer number (66280).

2⁴⁴⁰⁶²⁹ is an apocalyptic number.

It is an amenable number.

440629 is a deficient number, since it is larger than the sum of its proper divisors (89611).

440629 is a wasteful number, since it uses less digits than its factorization.

440629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 440629 is about 663.7989153351. The cubic root of 440629 is about 76.0952752478.

The spelling of 440629 in words is "four hundred forty thousand, six hundred twenty-nine".