2928140 has 12 divisors (see below), whose sum is σ = 6149136. Its totient is φ = 1171248.

The previous prime is 2928137. The next prime is 2928151. The reversal of 2928140 is 418292.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73184 + ... + 73223.

It is an arithmetic number, because the mean of its divisors is an integer number (512428).

2^2928140 is an apocalyptic number.

2928140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2928140 is an abundant number, since it is smaller than the sum of its proper divisors (3220996).

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

2928140 is a wasteful number, since it uses less digits than its factorization.

2928140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146416 (or 146414 counting only the distinct ones).

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

The square root of 2928140 is about 1711.1808788085. The cubic root of 2928140 is about 143.0640819934.

Adding to 2928140 its product of nonzero digits (1152), we get a palindrome (2929292).

The spelling of 2928140 in words is "two million, nine hundred twenty-eight thousand, one hundred forty".