2140988 has 12 divisors (see below), whose sum is σ = 3817800. Its totient is φ = 1050192.

The previous prime is 2140987. The next prime is 2140993. The reversal of 2140988 is 8890412.

It is a happy number.

It is a super-2 number, since 2×2140988² = 9167659232288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140987) 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, 4838 + ... + 5261.

It is an arithmetic number, because the mean of its divisors is an integer number (318150).

2^2140988 is an apocalyptic number.

It is an amenable number.

2140988 is a deficient number, since it is larger than the sum of its proper divisors (1676812).

2140988 is a wasteful number, since it uses less digits than its factorization.

2140988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156 (or 10154 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2140988 is about 1463.2115363132. The cubic root of 2140988 is about 128.8857028983.

The spelling of 2140988 in words is "two million, one hundred forty thousand, nine hundred eighty-eight".