2049994 has 4 divisors (see below), whose sum is σ = 3074994. Its totient is φ = 1024996.

The previous prime is 2049991. The next prime is 2050007. The reversal of 2049994 is 4999402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1918225 + 131769 = 1385^2 + 363^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2049991) 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 as a sum of consecutive naturals, namely, 512497 + ... + 512500.

2^2049994 is an apocalyptic number.

2049994 is a deficient number, since it is larger than the sum of its proper divisors (1025000).

2049994 is a wasteful number, since it uses less digits than its factorization.

2049994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024999.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2049994 is about 1431.7800110352. The cubic root of 2049994 is about 127.0332853421.

The spelling of 2049994 in words is "two million, forty-nine thousand, nine hundred ninety-four".