2102986 has 8 divisors (see below), whose sum is σ = 3176100. Its totient is φ = 1044288.

The previous prime is 2102941. The next prime is 2102999. The reversal of 2102986 is 6892012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2047761 + 55225 = 1431^2 + 235^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231 + ... + 3826.

2^2102986 is an apocalyptic number.

2102986 is a deficient number, since it is larger than the sum of its proper divisors (1073114).

2102986 is a wasteful number, since it uses less digits than its factorization.

2102986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7208.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2102986 is about 1450.1675765235. The cubic root of 2102986 is about 128.1185831409.

Adding to 2102986 its reverse (6892012), we get a palindrome (8994998).

It can be divided in two parts, 21029 and 86, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2102986 in words is "two million, one hundred two thousand, nine hundred eighty-six".