4816991 has 4 divisors (see below), whose sum is σ = 4829952. Its totient is φ = 4804032.

The previous prime is 4816969. The next prime is 4817003. The reversal of 4816991 is 1996184.

It is a happy number.

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-4816991 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 (4816901) 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, 5906 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (1207488).

Almost surely, 2^4816991 is an apocalyptic number.

4816991 is a deficient number, since it is larger than the sum of its proper divisors (12961).

4816991 is a wasteful number, since it uses less digits than its factorization.

4816991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12960.

The product of its digits is 15552, while the sum is 38.

The square root of 4816991 is about 2194.7644520540. The cubic root of 4816991 is about 168.8853370643.

The spelling of 4816991 in words is "four million, eight hundred sixteen thousand, nine hundred ninety-one".