440770 has 16 divisors (see below), whose sum is σ = 865728. Its totient is φ = 160240.

The previous prime is 440761. The next prime is 440773. The reversal of 440770 is 77044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (440773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894 + ... + 2113.

It is an arithmetic number, because the mean of its divisors is an integer number (54108).

2⁴⁴⁰⁷⁷⁰ is an apocalyptic number.

440770 is a deficient number, since it is larger than the sum of its proper divisors (424958).

440770 is a wasteful number, since it uses less digits than its factorization.

440770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4025.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 440770 is about 663.9051137023. The cubic root of 440770 is about 76.1033911379.

The spelling of 440770 in words is "four hundred forty thousand, seven hundred seventy", and thus it is an iban number.