4865091 has 16 divisors (see below), whose sum is σ = 8087808. Its totient is φ = 2527200.

The previous prime is 4865089. The next prime is 4865123. The reversal of 4865091 is 1905684.

It is not a de Polignac number, because 4865091 - 2¹ = 4865089 is a prime.

It is a super-2 number, since 2×4865091² = 47338220876562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

4865091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4865051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10300 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (505488).

Almost surely, 2^4865091 is an apocalyptic number.

4865091 is a deficient number, since it is larger than the sum of its proper divisors (3222717).

4865091 is a wasteful number, since it uses less digits than its factorization.

4865091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21082.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 4865091 is about 2205.6951285252. The cubic root of 4865091 is about 169.4456104153.

The spelling of 4865091 in words is "four million, eight hundred sixty-five thousand, ninety-one".