4931091 has 16 divisors (see below), whose sum is σ = 7969920. Its totient is φ = 2988360.

The previous prime is 4931063. The next prime is 4931119. The reversal of 4931091 is 1901394.

It is an interprime number because it is at equal distance from previous prime (4931063) and next prime (4931119).

It is not a de Polignac number, because 4931091 - 2⁷ = 4930963 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4931011) 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, 8005 + ... + 8598.

It is an arithmetic number, because the mean of its divisors is an integer number (498120).

Almost surely, 2^4931091 is an apocalyptic number.

4931091 is a deficient number, since it is larger than the sum of its proper divisors (3038829).

4931091 is a wasteful number, since it uses less digits than its factorization.

4931091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16623 (or 16617 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 4931091 is about 2220.6059983707. The cubic root of 4931091 is about 170.2084064589.

The spelling of 4931091 in words is "four million, nine hundred thirty-one thousand, ninety-one".