4495391 has 4 divisors (see below), whose sum is σ = 4537512. Its totient is φ = 4453272.

The previous prime is 4495357. The next prime is 4495397. The reversal of 4495391 is 1935944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4495391 - 2¹⁸ = 4233247 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 (4495397) 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, 20900 + ... + 21113.

It is an arithmetic number, because the mean of its divisors is an integer number (1134378).

Almost surely, 2^4495391 is an apocalyptic number.

4495391 is a deficient number, since it is larger than the sum of its proper divisors (42121).

4495391 is a wasteful number, since it uses less digits than its factorization.

4495391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42120.

The product of its digits is 19440, while the sum is 35.

The square root of 4495391 is about 2120.2337135325. The cubic root of 4495391 is about 165.0399780692.

The spelling of 4495391 in words is "four million, four hundred ninety-five thousand, three hundred ninety-one".