2067990 has 32 divisors (see below), whose sum is σ = 5136480. Its totient is φ = 532224.

The previous prime is 2067977. The next prime is 2067997. The reversal of 2067990 is 997602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319 + ... + 2058.

It is an arithmetic number, because the mean of its divisors is an integer number (160515).

2^2067990 is an apocalyptic number.

2067990 is an abundant number, since it is smaller than the sum of its proper divisors (3068490).

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

2067990 is a wasteful number, since it uses less digits than its factorization.

2067990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 2067990 is about 1438.0507640553. The cubic root of 2067990 is about 127.4039260866.

The spelling of 2067990 in words is "two million, sixty-seven thousand, nine hundred ninety".