4490839 has 4 divisors (see below), whose sum is σ = 4755024. Its totient is φ = 4226656.

The previous prime is 4490831. The next prime is 4490861. The reversal of 4490839 is 9380944.

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 4490839 - 2³ = 4490831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4490798 and 4490807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4490831) 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, 132067 + ... + 132100.

It is an arithmetic number, because the mean of its divisors is an integer number (1188756).

Almost surely, 2^4490839 is an apocalyptic number.

4490839 is a deficient number, since it is larger than the sum of its proper divisors (264185).

4490839 is a wasteful number, since it uses less digits than its factorization.

4490839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264184.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4490839 is about 2119.1599750845. The cubic root of 4490839 is about 164.9842531651.

It can be divided in two parts, 4490 and 839, that added together give a square (5329 = 73²).

The spelling of 4490839 in words is "four million, four hundred ninety thousand, eight hundred thirty-nine".