2011630 has 8 divisors (see below), whose sum is σ = 3620952. Its totient is φ = 804648.

The previous prime is 2011613. The next prime is 2011631. The reversal of 2011630 is 361102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2011630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100572 + ... + 100591.

It is an arithmetic number, because the mean of its divisors is an integer number (452619).

2^2011630 is an apocalyptic number.

2011630 is a deficient number, since it is larger than the sum of its proper divisors (1609322).

2011630 is a wasteful number, since it uses less digits than its factorization.

2011630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201170.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2011630 is about 1418.3194280556. The cubic root of 2011630 is about 126.2358478402.

Adding to 2011630 its reverse (361102), we get a palindrome (2372732).

The spelling of 2011630 in words is "two million, eleven thousand, six hundred thirty".