2621109 has 8 divisors (see below), whose sum is σ = 3552352. Its totient is φ = 1718640.

The previous prime is 2621063. The next prime is 2621119. The reversal of 2621109 is 9011262.

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

It is a de Polignac number, because none of the positive numbers 2^k-2621109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6979 + ... + 7344.

It is an arithmetic number, because the mean of its divisors is an integer number (444044).

2^2621109 is an apocalyptic number.

It is an amenable number.

2621109 is a deficient number, since it is larger than the sum of its proper divisors (931243).

2621109 is a wasteful number, since it uses less digits than its factorization.

2621109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2621109 is about 1618.9839406245. The cubic root of 2621109 is about 137.8780165496.

The spelling of 2621109 in words is "two million, six hundred twenty-one thousand, one hundred nine".