4691091 has 8 divisors (see below), whose sum is σ = 6279120. Its totient is φ = 3115232.

The previous prime is 4691087. The next prime is 4691107. The reversal of 4691091 is 1901964.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4691091 - 2² = 4691087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4691191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (784890).

Almost surely, 2^4691091 is an apocalyptic number.

4691091 is a deficient number, since it is larger than the sum of its proper divisors (1588029).

4691091 is a wasteful number, since it uses less digits than its factorization.

4691091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6085.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 4691091 is about 2165.8926566199. The cubic root of 4691091 is about 167.4009632115.

The spelling of 4691091 in words is "four million, six hundred ninety-one thousand, ninety-one".