2331684 has 36 divisors (see below), whose sum is σ = 5940480. Its totient is φ = 771120.

The previous prime is 2331677. The next prime is 2331689. The reversal of 2331684 is 4861332.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8469 + ... + 8739.

2^2331684 is an apocalyptic number.

It is an amenable number.

2331684 is an abundant number, since it is smaller than the sum of its proper divisors (3608796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331684 is a wasteful number, since it uses less digits than its factorization.

2331684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 515 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2331684 is about 1526.9852651548. The cubic root of 2331684 is about 132.6039815079.

The spelling of 2331684 in words is "two million, three hundred thirty-one thousand, six hundred eighty-four".