2690486 has 4 divisors (see below), whose sum is σ = 4035732. Its totient is φ = 1345242.

The previous prime is 2690473. The next prime is 2690491. The reversal of 2690486 is 6840962.

2690486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6840962 = 2 ⋅3420481.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 672620 + ... + 672623.

It is an arithmetic number, because the mean of its divisors is an integer number (1008933).

2^2690486 is an apocalyptic number.

2690486 is a deficient number, since it is larger than the sum of its proper divisors (1345246).

2690486 is a wasteful number, since it uses less digits than its factorization.

2690486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345245.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2690486 is about 1640.2700997092. The cubic root of 2690486 is about 139.0839166863.

The spelling of 2690486 in words is "two million, six hundred ninety thousand, four hundred eighty-six".