4492479 has 4 divisors (see below), whose sum is σ = 5989976. Its totient is φ = 2994984.

The previous prime is 4492469. The next prime is 4492487. The reversal of 4492479 is 9742944.

It is a happy number.

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

It is not a de Polignac number, because 4492479 - 2¹⁵ = 4459711 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

4492479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4492409) 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, 748744 + ... + 748749.

It is an arithmetic number, because the mean of its divisors is an integer number (1497494).

Almost surely, 2^4492479 is an apocalyptic number.

4492479 is a deficient number, since it is larger than the sum of its proper divisors (1497497).

4492479 is a wasteful number, since it uses less digits than its factorization.

4492479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497496.

The product of its digits is 72576, while the sum is 39.

The square root of 4492479 is about 2119.5468855395. The cubic root of 4492479 is about 165.0043341378.

The spelling of 4492479 in words is "four million, four hundred ninety-two thousand, four hundred seventy-nine".