2874840 has 32 divisors (see below), whose sum is σ = 8624880. Its totient is φ = 766592.

The previous prime is 2874829. The next prime is 2874841. The reversal of 2874840 is 484782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11859 + ... + 12098.

2^2874840 is an apocalyptic number.

2874840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2874840 is an abundant number, since it is smaller than the sum of its proper divisors (5750040).

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

2874840 is a wasteful number, since it uses less digits than its factorization.

2874840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23971 (or 23967 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 2874840 is about 1695.5353136989. The cubic root of 2874840 is about 142.1907111540.

The spelling of 2874840 in words is "two million, eight hundred seventy-four thousand, eight hundred forty".