2051670 has 16 divisors (see below), whose sum is σ = 4924080. Its totient is φ = 547104.

The previous prime is 2051653. The next prime is 2051671. The reversal of 2051670 is 761502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34165 + ... + 34224.

It is an arithmetic number, because the mean of its divisors is an integer number (307755).

2^2051670 is an apocalyptic number.

2051670 is an abundant number, since it is smaller than the sum of its proper divisors (2872410).

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

2051670 is a wasteful number, since it uses less digits than its factorization.

2051670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68399.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 2051670 is about 1432.3651769015. The cubic root of 2051670 is about 127.0678951655.

The spelling of 2051670 in words is "two million, fifty-one thousand, six hundred seventy".