2900206 has 4 divisors (see below), whose sum is σ = 4350312. Its totient is φ = 1450102.

The previous prime is 2900189. The next prime is 2900207. The reversal of 2900206 is 6020092.

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

It is a super-2 number, since 2×2900206² = 16822389684872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725050 + ... + 725053.

It is an arithmetic number, because the mean of its divisors is an integer number (1087578).

2^2900206 is an apocalyptic number.

2900206 is a deficient number, since it is larger than the sum of its proper divisors (1450106).

2900206 is a wasteful number, since it uses less digits than its factorization.

2900206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450105.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2900206 is about 1702.9991192012. Note that the first 3 decimals coincide. The cubic root of 2900206 is about 142.6076912422.

Adding to 2900206 its reverse (6020092), we get a palindrome (8920298).

The spelling of 2900206 in words is "two million, nine hundred thousand, two hundred six".