2347872 has 48 divisors (see below), whose sum is σ = 6339312. Its totient is φ = 760320.

The previous prime is 2347871. The next prime is 2347883. The reversal of 2347872 is 2787432.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2347871) 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, 3222 + ... + 3882.

It is an arithmetic number, because the mean of its divisors is an integer number (132069).

2^2347872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2347872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169656).

2347872 is an abundant number, since it is smaller than the sum of its proper divisors (3991440).

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

2347872 is a wasteful number, since it uses less digits than its factorization.

2347872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 703 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 2347872 is about 1532.2767374074. The cubic root of 2347872 is about 132.9101471609.

It can be divided in two parts, 23 and 47872, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 2347872 in words is "two million, three hundred forty-seven thousand, eight hundred seventy-two".