440887 has 8 divisors (see below), whose sum is σ = 476640. Its totient is φ = 406560.

The previous prime is 440863. The next prime is 440893. The reversal of 440887 is 788044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440887 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 (440807) 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, 337 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (59580).

2⁴⁴⁰⁸⁸⁷ is an apocalyptic number.

440887 is a deficient number, since it is larger than the sum of its proper divisors (35753).

440887 is a wasteful number, since it uses less digits than its factorization.

440887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 440887 is about 663.9932228570. The cubic root of 440887 is about 76.1101242859.

The spelling of 440887 in words is "four hundred forty thousand, eight hundred eighty-seven".