2002990 has 32 divisors (see below), whose sum is σ = 3991680. Its totient is φ = 717600.

The previous prime is 2002969. The next prime is 2002993. The reversal of 2002990 is 992002.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002993) 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, 14341 + ... + 14479.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^2002990 is an apocalyptic number.

2002990 is a deficient number, since it is larger than the sum of its proper divisors (1988690).

2002990 is a wasteful number, since it uses less digits than its factorization.

2002990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2002990 is about 1415.2702922057. The cubic root of 2002990 is about 126.0548597927.

Adding to 2002990 its reverse (992002), we get a palindrome (2994992).

It can be divided in two parts, 2002 and 990, that added together give a palindrome (2992).

The spelling of 2002990 in words is "two million, two thousand, nine hundred ninety".