2102699 has 4 divisors (see below), whose sum is σ = 2170560. Its totient is φ = 2034840.

The previous prime is 2102693. The next prime is 2102717. The reversal of 2102699 is 9962012.

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

It is a de Polignac number, because none of the positive numbers 2^k-2102699 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2102693) 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, 33884 + ... + 33945.

It is an arithmetic number, because the mean of its divisors is an integer number (542640).

2^2102699 is an apocalyptic number.

2102699 is a deficient number, since it is larger than the sum of its proper divisors (67861).

2102699 is an equidigital number, since it uses as much as digits as its factorization.

2102699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67860.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2102699 is about 1450.0686190660. The cubic root of 2102699 is about 128.1127546497.

The spelling of 2102699 in words is "two million, one hundred two thousand, six hundred ninety-nine".