4842391 has 4 divisors (see below), whose sum is σ = 5009400. Its totient is φ = 4675384.

The previous prime is 4842371. The next prime is 4842403. The reversal of 4842391 is 1932484.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4842391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4842361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83461 + ... + 83518.

It is an arithmetic number, because the mean of its divisors is an integer number (1252350).

Almost surely, 2^4842391 is an apocalyptic number.

4842391 is a deficient number, since it is larger than the sum of its proper divisors (167009).

4842391 is a wasteful number, since it uses less digits than its factorization.

4842391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167008.

The product of its digits is 6912, while the sum is 31.

The square root of 4842391 is about 2200.5433419953. The cubic root of 4842391 is about 169.1816610370.

The spelling of 4842391 in words is "four million, eight hundred forty-two thousand, three hundred ninety-one".