2874864 has 40 divisors (see below), whose sum is σ = 7512912. Its totient is φ = 947200.

The previous prime is 2874841. The next prime is 2874877. The reversal of 2874864 is 4684782.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4552 + ... + 5144.

2^2874864 is an apocalyptic number.

2874864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2874864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756456).

2874864 is an abundant number, since it is smaller than the sum of its proper divisors (4638048).

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

2874864 is a wasteful number, since it uses less digits than its factorization.

2874864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 699 counting only the distinct ones).

The product of its digits is 86016, while the sum is 39.

The square root of 2874864 is about 1695.5423910950. The cubic root of 2874864 is about 142.1911068360.

It can be divided in two parts, 287 and 4864, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 2874864 in words is "two million, eight hundred seventy-four thousand, eight hundred sixty-four".