2439312 has 40 divisors (see below), whose sum is σ = 6383520. Its totient is φ = 802560.

The previous prime is 2439301. The next prime is 2439317. The reversal of 2439312 is 2139342.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2439317) 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, 3987 + ... + 4557.

It is an arithmetic number, because the mean of its divisors is an integer number (159588).

2^2439312 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 2439312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3191760).

2439312 is an abundant number, since it is smaller than the sum of its proper divisors (3944208).

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

2439312 is a wasteful number, since it uses less digits than its factorization.

2439312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 665 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 2439312 is about 1561.8296962217. The cubic root of 2439312 is about 134.6136553540.

The spelling of 2439312 in words is "two million, four hundred thirty-nine thousand, three hundred twelve".