2078002 has 4 divisors (see below), whose sum is σ = 3117006. Its totient is φ = 1039000.

The previous prime is 2077997. The next prime is 2078009. The reversal of 2078002 is 2008702.

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., 2076481 + 1521 = 1441^2 + 39^2 .

It is not an unprimeable number, because it can be changed into a prime (2078009) 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, 519499 + ... + 519502.

2^2078002 is an apocalyptic number.

2078002 is a deficient number, since it is larger than the sum of its proper divisors (1039004).

2078002 is a wasteful number, since it uses less digits than its factorization.

2078002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039003.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2078002 is about 1441.5276618921. The cubic root of 2078002 is about 127.6092003075.

The spelling of 2078002 in words is "two million, seventy-eight thousand, two".