4900091 has 8 divisors (see below), whose sum is σ = 5617920. Its totient is φ = 4186728.

The previous prime is 4900087. The next prime is 4900099. The reversal of 4900091 is 1900094.

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

It is not a de Polignac number, because 4900091 - 2² = 4900087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4900099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730 + ... + 3576.

It is an arithmetic number, because the mean of its divisors is an integer number (702240).

Almost surely, 2^4900091 is an apocalyptic number.

4900091 is a deficient number, since it is larger than the sum of its proper divisors (717829).

4900091 is a wasteful number, since it uses less digits than its factorization.

4900091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 4900091 is about 2213.6149168272. The cubic root of 4900091 is about 169.8509766696.

The spelling of 4900091 in words is "four million, nine hundred thousand, ninety-one".