440308 has 12 divisors (see below), whose sum is σ = 840672. Its totient is φ = 200120.

The previous prime is 440303. The next prime is 440311. The reversal of 440308 is 803044.

It is a super-2 number, since 2×440308² = 387742269728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4960 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (70056).

2⁴⁴⁰³⁰⁸ is an apocalyptic number.

It is an amenable number.

440308 is a deficient number, since it is larger than the sum of its proper divisors (400364).

440308 is a wasteful number, since it uses less digits than its factorization.

440308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022 (or 10020 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 440308 is about 663.5570811920. The cubic root of 440308 is about 76.0767921873.

The spelling of 440308 in words is "four hundred forty thousand, three hundred eight".