4720838 has 4 divisors (see below), whose sum is σ = 7081260. Its totient is φ = 2360418.

The previous prime is 4720817. The next prime is 4720843. The reversal of 4720838 is 8380274.

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

It is a super-2 number, since 2×4720838² = 44572622844488, 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 (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1180208 + ... + 1180211.

It is an arithmetic number, because the mean of its divisors is an integer number (1770315).

Almost surely, 2^4720838 is an apocalyptic number.

4720838 is a deficient number, since it is larger than the sum of its proper divisors (2360422).

4720838 is a wasteful number, since it uses less digits than its factorization.

4720838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360421.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 4720838 is about 2172.7489500630. The cubic root of 4720838 is about 167.7540571734.

The spelling of 4720838 in words is "four million, seven hundred twenty thousand, eight hundred thirty-eight".