4891814 has 4 divisors (see below), whose sum is σ = 7337724. Its totient is φ = 2445906.

The previous prime is 4891787. The next prime is 4891823. The reversal of 4891814 is 4181984.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222952 + ... + 1222955.

It is an arithmetic number, because the mean of its divisors is an integer number (1834431).

Almost surely, 2^4891814 is an apocalyptic number.

4891814 is a deficient number, since it is larger than the sum of its proper divisors (2445910).

4891814 is a wasteful number, since it uses less digits than its factorization.

4891814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445909.

The product of its digits is 9216, while the sum is 35.

The square root of 4891814 is about 2211.7445602962. The cubic root of 4891814 is about 169.7552880490.

The spelling of 4891814 in words is "four million, eight hundred ninety-one thousand, eight hundred fourteen".