2790002 has 4 divisors (see below), whose sum is σ = 4185006. Its totient is φ = 1395000.

The previous prime is 2790001. The next prime is 2790019. The reversal of 2790002 is 2000972.

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., 1515361 + 1274641 = 1231^2 + 1129^2 .

It is a super-2 number, since 2×2790002² = 15568222320008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2790001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697499 + ... + 697502.

2^2790002 is an apocalyptic number.

2790002 is a deficient number, since it is larger than the sum of its proper divisors (1395004).

2790002 is a wasteful number, since it uses less digits than its factorization.

2790002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395003.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2790002 is about 1670.3299075332. The cubic root of 2790002 is about 140.7780153024.

Adding to 2790002 its reverse (2000972), we get a palindrome (4790974).

The spelling of 2790002 in words is "two million, seven hundred ninety thousand, two".