2330661 has 4 divisors (see below), whose sum is σ = 3107552. Its totient is φ = 1553772.

The previous prime is 2330641. The next prime is 2330663. The reversal of 2330661 is 1660332.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2330661 - 2¹⁰ = 2329637 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2330663) 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, 388441 + ... + 388446.

It is an arithmetic number, because the mean of its divisors is an integer number (776888).

2^2330661 is an apocalyptic number.

It is an amenable number.

2330661 is a deficient number, since it is larger than the sum of its proper divisors (776891).

2330661 is an equidigital number, since it uses as much as digits as its factorization.

2330661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776890.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 2330661 is about 1526.6502546425. The cubic root of 2330661 is about 132.5845858384.

Adding to 2330661 its reverse (1660332), we get a palindrome (3990993).

The spelling of 2330661 in words is "two million, three hundred thirty thousand, six hundred sixty-one".