2867440 has 40 divisors (see below), whose sum is σ = 6771888. Its totient is φ = 1128960.

The previous prime is 2867437. The next prime is 2867467. The reversal of 2867440 is 447682.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a zygodrome in base 4.

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, 5595 + ... + 6085.

2^2867440 is an apocalyptic number.

2867440 is a gapful number since it is divisible by the number (20) 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 2867440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3385944).

2867440 is an abundant number, since it is smaller than the sum of its proper divisors (3904448).

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

2867440 is a wasteful number, since it uses less digits than its factorization.

2867440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2867440 is about 1693.3517059371. The cubic root of 2867440 is about 142.0686040254.

The spelling of 2867440 in words is "two million, eight hundred sixty-seven thousand, four hundred forty".