2371668 has 48 divisors (see below), whose sum is σ = 6228096. Its totient is φ = 696960.

The previous prime is 2371661. The next prime is 2371669. The reversal of 2371668 is 8661732.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2371661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3258 + ... + 3918.

It is an arithmetic number, because the mean of its divisors is an integer number (129752).

2^2371668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2371668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3114048).

2371668 is an abundant number, since it is smaller than the sum of its proper divisors (3856428).

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

2371668 is a wasteful number, since it uses less digits than its factorization.

2371668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704 (or 702 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 2371668 is about 1540.0220777638. The cubic root of 2371668 is about 133.3576594504.

Subtracting 2371668 from its reverse (8661732), we obtain a square (6290064 = 2508²).

The spelling of 2371668 in words is "two million, three hundred seventy-one thousand, six hundred sixty-eight".