2798432 has 72 divisors (see below), whose sum is σ = 7006608. Its totient is φ = 1071360.

The previous prime is 2798381. The next prime is 2798437. The reversal of 2798432 is 2348972.

It is a junction number, because it is equal to n+sod(n) for n = 2798392 and 2798401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2798437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90257 + ... + 90287.

It is an arithmetic number, because the mean of its divisors is an integer number (97314).

2^2798432 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 2798432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503304).

2798432 is an abundant number, since it is smaller than the sum of its proper divisors (4208176).

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

2798432 is a wasteful number, since it uses less digits than its factorization.

2798432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 53 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 2798432 is about 1672.8514578408. The cubic root of 2798432 is about 140.9196598133.

The spelling of 2798432 in words is "two million, seven hundred ninety-eight thousand, four hundred thirty-two".