4394657 has 4 divisors (see below), whose sum is σ = 4428336. Its totient is φ = 4360980.

The previous prime is 4394651. The next prime is 4394717. The reversal of 4394657 is 7564934.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4394657 - 2¹⁴ = 4378273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4394657.

It is not an unprimeable number, because it can be changed into a prime (4394651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16643 + ... + 16904.

It is an arithmetic number, because the mean of its divisors is an integer number (1107084).

Almost surely, 2^4394657 is an apocalyptic number.

It is an amenable number.

4394657 is a deficient number, since it is larger than the sum of its proper divisors (33679).

4394657 is a wasteful number, since it uses less digits than its factorization.

4394657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33678.

The product of its digits is 90720, while the sum is 38.

The square root of 4394657 is about 2096.3437218166. The cubic root of 4394657 is about 163.7978994733.

The spelling of 4394657 in words is "four million, three hundred ninety-four thousand, six hundred fifty-seven".