2388456 has 72 divisors (see below), whose sum is σ = 7535970. Its totient is φ = 681408.

The previous prime is 2388443. The next prime is 2388473. The reversal of 2388456 is 6548832.

It can be written as a sum of positive squares in only one way, i.e., 1285956 + 1102500 = 1134^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2¹³ + 3³ + 8 + 8⁷ + 4² + 5⁵ + 6⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 2388456.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3190 + ... + 3866.

2^2388456 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 2388456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3767985).

2388456 is an abundant number, since it is smaller than the sum of its proper divisors (5147514).

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

2388456 is a wasteful number, since it uses less digits than its factorization.

2388456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703 (or 689 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2388456 is about 1545.4630374098. The cubic root of 2388456 is about 133.6715800818.

The spelling of 2388456 in words is "two million, three hundred eighty-eight thousand, four hundred fifty-six".