2001290 has 32 divisors (see below), whose sum is σ = 3818880. Its totient is φ = 753984.

The previous prime is 2001281. The next prime is 2001313. The reversal of 2001290 is 921002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19379 + ... + 19481.

It is an arithmetic number, because the mean of its divisors is an integer number (119340).

2^2001290 is an apocalyptic number.

2001290 is a deficient number, since it is larger than the sum of its proper divisors (1817590).

2001290 is a wasteful number, since it uses less digits than its factorization.

2001290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2001290 is about 1414.6695727271. The cubic root of 2001290 is about 126.0191874702.

Adding to 2001290 its reverse (921002), we get a palindrome (2922292).

It can be divided in two parts, 20012 and 90, that added together give a palindrome (20102).

The spelling of 2001290 in words is "two million, one thousand, two hundred ninety".