2690870 has 32 divisors (see below), whose sum is σ = 5963328. Its totient is φ = 851328.

The previous prime is 2690851. The next prime is 2690887. The reversal of 2690870 is 780962.

2690870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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 in 15 ways as a sum of consecutive naturals, for example, 569 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (186354).

2^2690870 is an apocalyptic number.

2690870 is an abundant number, since it is smaller than the sum of its proper divisors (3272458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2690870 is a wasteful number, since it uses less digits than its factorization.

2690870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2690870 is about 1640.3871494254. The cubic root of 2690870 is about 139.0905332956.

The spelling of 2690870 in words is "two million, six hundred ninety thousand, eight hundred seventy".