2086670 has 8 divisors (see below), whose sum is σ = 3756024. Its totient is φ = 834664.

The previous prime is 2086657. The next prime is 2086673. The reversal of 2086670 is 766802.

2086670 = 833² + 834² + 835².

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086673) 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, 104324 + ... + 104343.

It is an arithmetic number, because the mean of its divisors is an integer number (469503).

2^2086670 is an apocalyptic number.

2086670 is a deficient number, since it is larger than the sum of its proper divisors (1669354).

2086670 is a wasteful number, since it uses less digits than its factorization.

2086670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208674.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2086670 is about 1444.5310657788. The cubic root of 2086670 is about 127.7863868736.

The spelling of 2086670 in words is "two million, eighty-six thousand, six hundred seventy".