2066940 has 36 divisors (see below), whose sum is σ = 6270264. Its totient is φ = 551136.

The previous prime is 2066929. The next prime is 2066951. The reversal of 2066940 is 496602.

It is an interprime number because it is at equal distance from previous prime (2066929) and next prime (2066951).

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5562 + ... + 5921.

It is an arithmetic number, because the mean of its divisors is an integer number (174174).

2^2066940 is an apocalyptic number.

2066940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066940 is an abundant number, since it is smaller than the sum of its proper divisors (4203324).

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

2066940 is a wasteful number, since it uses less digits than its factorization.

2066940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11498 (or 11493 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2066940 is about 1437.6856401870. The cubic root of 2066940 is about 127.3823597719.

The spelling of 2066940 in words is "two million, sixty-six thousand, nine hundred forty".