440416 has 12 divisors (see below), whose sum is σ = 867132. Its totient is φ = 220192.

The previous prime is 440399. The next prime is 440431. The reversal of 440416 is 614044.

It is a junction number, because it is equal to n+sod(n) for n = 440393 and 440402.

It is a congruent number.

It is an unprimeable number.

440416 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850 + ... + 6913.

It is an arithmetic number, because the mean of its divisors is an integer number (72261).

2⁴⁴⁰⁴¹⁶ is an apocalyptic number.

It is an amenable number.

440416 is a deficient number, since it is larger than the sum of its proper divisors (426716).

440416 is a wasteful number, since it uses less digits than its factorization.

440416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13773 (or 13765 counting only the distinct ones).

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

The square root of 440416 is about 663.6384557875. The cubic root of 440416 is about 76.0830117896.

The spelling of 440416 in words is "four hundred forty thousand, four hundred sixteen".