2800002 has 32 divisors (see below), whose sum is σ = 6011712. Its totient is φ = 866304.

The previous prime is 2800001. The next prime is 2800003. The reversal of 2800002 is 2000082.

It is an interprime number because it is at equal distance from previous prime (2800001) and next prime (2800003).

It is a super-2 number, since 2×2800002² = 15680022400008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800001) 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, 9753 + ... + 10035.

It is an arithmetic number, because the mean of its divisors is an integer number (187866).

2^2800002 is an apocalyptic number.

2800002 is an abundant number, since it is smaller than the sum of its proper divisors (3211710).

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

2800002 is a wasteful number, since it uses less digits than its factorization.

2800002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2800002 is about 1673.3206506823. The cubic root of 2800002 is about 140.9460081999.

Adding to 2800002 its reverse (2000082), we get a palindrome (4800084).

The spelling of 2800002 in words is "two million, eight hundred thousand, two".