4851091 has 16 divisors (see below), whose sum is σ = 5990400. Its totient is φ = 3836448.

The previous prime is 4851083. The next prime is 4851109. The reversal of 4851091 is 1901584.

It is a happy number.

It is not a de Polignac number, because 4851091 - 2³ = 4851083 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4851071) 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, 4150 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (374400).

Almost surely, 2^4851091 is an apocalyptic number.

4851091 is a deficient number, since it is larger than the sum of its proper divisors (1139309).

4851091 is a wasteful number, since it uses less digits than its factorization.

4851091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 4851091 is about 2202.5192394165. The cubic root of 4851091 is about 169.2829195443.

The spelling of 4851091 in words is "four million, eight hundred fifty-one thousand, ninety-one".