4494739 has 4 divisors (see below), whose sum is σ = 4649760. Its totient is φ = 4339720.

The previous prime is 4494733. The next prime is 4494757. The reversal of 4494739 is 9374944.

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 4494739 - 2³ = 4494731 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4494731) 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, 77467 + ... + 77524.

It is an arithmetic number, because the mean of its divisors is an integer number (1162440).

Almost surely, 2^4494739 is an apocalyptic number.

4494739 is a deficient number, since it is larger than the sum of its proper divisors (155021).

4494739 is a wasteful number, since it uses less digits than its factorization.

4494739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155020.

The product of its digits is 108864, while the sum is 40.

The square root of 4494739 is about 2120.0799513226. The cubic root of 4494739 is about 165.0319986915.

The spelling of 4494739 in words is "four million, four hundred ninety-four thousand, seven hundred thirty-nine".