4891149 has 24 divisors (see below), whose sum is σ = 7468032. Its totient is φ = 3080160.

The previous prime is 4891129. The next prime is 4891153. The reversal of 4891149 is 9411984.

It is not a de Polignac number, because 4891149 - 2⁹ = 4890637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12927 + ... + 13299.

It is an arithmetic number, because the mean of its divisors is an integer number (311168).

Almost surely, 2^4891149 is an apocalyptic number.

It is an amenable number.

4891149 is a deficient number, since it is larger than the sum of its proper divisors (2576883).

4891149 is a wasteful number, since it uses less digits than its factorization.

4891149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 454 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 4891149 is about 2211.5942213706. The cubic root of 4891149 is about 169.7475954437.

The spelling of 4891149 in words is "four million, eight hundred ninety-one thousand, one hundred forty-nine".