2140928 has 18 divisors (see below), whose sum is σ = 4274004. Its totient is φ = 1070336.

The previous prime is 2140913. The next prime is 2140937. The reversal of 2140928 is 8290412.

It is a junction number, because it is equal to n+sod(n) for n = 2140897 and 2140906.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3926 + ... + 4437.

2^2140928 is an apocalyptic number.

It is an amenable number.

2140928 is a deficient number, since it is larger than the sum of its proper divisors (2133076).

2140928 is an frugal number, since it uses more digits than its factorization.

2140928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379 (or 8365 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2140928 is about 1463.1910333241. The cubic root of 2140928 is about 128.8844989036.

The spelling of 2140928 in words is "two million, one hundred forty thousand, nine hundred twenty-eight".