2690986 has 8 divisors (see below), whose sum is σ = 4166784. Its totient is φ = 1302060.

The previous prime is 2690959. The next prime is 2690993. The reversal of 2690986 is 6890962.

It is a happy number.

2690986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21640 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (520848).

2^2690986 is an apocalyptic number.

2690986 is a deficient number, since it is larger than the sum of its proper divisors (1475798).

2690986 is a wasteful number, since it uses less digits than its factorization.

2690986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43436.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 2690986 is about 1640.4225065513. The cubic root of 2690986 is about 139.0925319391.

The spelling of 2690986 in words is "two million, six hundred ninety thousand, nine hundred eighty-six".