4400657 has 8 divisors (see below), whose sum is σ = 4540800. Its totient is φ = 4262544.

The previous prime is 4400639. The next prime is 4400687. The reversal of 4400657 is 7560044.

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 4400657 - 2⁸ = 4400401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400687) 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, 4694 + ... + 5552.

It is an arithmetic number, because the mean of its divisors is an integer number (567600).

Almost surely, 2^4400657 is an apocalyptic number.

4400657 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4400657 is a deficient number, since it is larger than the sum of its proper divisors (140143).

4400657 is a wasteful number, since it uses less digits than its factorization.

4400657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 4400657 is about 2097.7742967250. The cubic root of 4400657 is about 163.8724096850.

The spelling of 4400657 in words is "four million, four hundred thousand, six hundred fifty-seven".