2371140 has 48 divisors (see below), whose sum is σ = 7378560. Its totient is φ = 632160.

The previous prime is 2371133. The next prime is 2371141. The reversal of 2371140 is 411732.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2371141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656 + ... + 2735.

It is an arithmetic number, because the mean of its divisors is an integer number (153720).

2^2371140 is an apocalyptic number.

2371140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2371140 is an abundant number, since it is smaller than the sum of its proper divisors (5007420).

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

2371140 is a wasteful number, since it uses less digits than its factorization.

2371140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 2371140 is about 1539.8506421079. The cubic root of 2371140 is about 133.3477623274.

Adding to 2371140 its reverse (411732), we get a palindrome (2782872).

The spelling of 2371140 in words is "two million, three hundred seventy-one thousand, one hundred forty".