4996645 has 4 divisors (see below), whose sum is σ = 5995980. Its totient is φ = 3997312.

The previous prime is 4996637. The next prime is 4996679. The reversal of 4996645 is 5466994.

It is a happy number.

4996645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2556801 + 2439844 = 1599^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 4996645 - 2³ = 4996637 is a prime.

It is a super-2 number, since 2×4996645² = 49932922512050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499660 + ... + 499669.

It is an arithmetic number, because the mean of its divisors is an integer number (1498995).

Almost surely, 2^4996645 is an apocalyptic number.

It is an amenable number.

4996645 is a deficient number, since it is larger than the sum of its proper divisors (999335).

4996645 is an equidigital number, since it uses as much as digits as its factorization.

4996645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999334.

The product of its digits is 233280, while the sum is 43.

The square root of 4996645 is about 2235.3176508049. The cubic root of 4996645 is about 170.9593396480.

The spelling of 4996645 in words is "four million, nine hundred ninety-six thousand, six hundred forty-five".