2140388 has 12 divisors (see below), whose sum is σ = 3942960. Its totient is φ = 1013832.

The previous prime is 2140387. The next prime is 2140393. The reversal of 2140388 is 8830412.

2140388 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2140387) 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, 14006 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (328580).

2^2140388 is an apocalyptic number.

It is an amenable number.

2140388 is a deficient number, since it is larger than the sum of its proper divisors (1802572).

2140388 is a wasteful number, since it uses less digits than its factorization.

2140388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28186 (or 28184 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2140388 is about 1463.0064934921. The cubic root of 2140388 is about 128.8736619392.

The spelling of 2140388 in words is "two million, one hundred forty thousand, three hundred eighty-eight".