2045994 has 8 divisors (see below), whose sum is σ = 4092000. Its totient is φ = 681996.

The previous prime is 2045987. The next prime is 2045999. The reversal of 2045994 is 4995402.

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

2045994 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2045999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170494 + ... + 170505.

It is an arithmetic number, because the mean of its divisors is an integer number (511500).

2^2045994 is an apocalyptic number.

2045994 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.

2045994 is a wasteful number, since it uses less digits than its factorization.

2045994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341004.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2045994 is about 1430.3824663355. The cubic root of 2045994 is about 126.9506080279.

The spelling of 2045994 in words is "two million, forty-five thousand, nine hundred ninety-four".