2921099 has 4 divisors (see below), whose sum is σ = 3015360. Its totient is φ = 2826840.

The previous prime is 2921089. The next prime is 2921111. The reversal of 2921099 is 9901292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2921099 - 2¹² = 2917003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2921029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47084 + ... + 47145.

It is an arithmetic number, because the mean of its divisors is an integer number (753840).

2^2921099 is an apocalyptic number.

2921099 is a deficient number, since it is larger than the sum of its proper divisors (94261).

2921099 is an equidigital number, since it uses as much as digits as its factorization.

2921099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94260.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 2921099 is about 1709.1222893638. The cubic root of 2921099 is about 142.9493194163.

The spelling of 2921099 in words is "two million, nine hundred twenty-one thousand, ninety-nine".