440697 has 8 divisors (see below), whose sum is σ = 596160. Its totient is φ = 289520.

The previous prime is 440683. The next prime is 440711. The reversal of 440697 is 796044.

It is an interprime number because it is at equal distance from previous prime (440683) and next prime (440711).

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 440697 - 2⁴ = 440681 is a prime.

440697 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (440677) 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, 822 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (74520).

2⁴⁴⁰⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

440697 is a deficient number, since it is larger than the sum of its proper divisors (155463).

440697 is a wasteful number, since it uses less digits than its factorization.

440697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 440697 is about 663.8501336898. The cubic root of 440697 is about 76.0991895102.

The spelling of 440697 in words is "four hundred forty thousand, six hundred ninety-seven".