2061966 has 8 divisors (see below), whose sum is σ = 4123944. Its totient is φ = 687320.

The previous prime is 2061923. The next prime is 2061967. The reversal of 2061966 is 6691602.

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

2061966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061967) 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, 171825 + ... + 171836.

It is an arithmetic number, because the mean of its divisors is an integer number (515493).

2^2061966 is an apocalyptic number.

2061966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2061966 is a wasteful number, since it uses less digits than its factorization.

2061966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343666.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2061966 is about 1435.9547346626. The cubic root of 2061966 is about 127.2800976870.

The spelling of 2061966 in words is "two million, sixty-one thousand, nine hundred sixty-six".