2803398 has 32 divisors (see below), whose sum is σ = 6107136. Its totient is φ = 852768.

The previous prime is 2803369. The next prime is 2803399. The reversal of 2803398 is 8933082.

2803398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2803399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9765 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (190848).

2^2803398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2803398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3053568).

2803398 is an abundant number, since it is smaller than the sum of its proper divisors (3303738).

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

2803398 is a wasteful number, since it uses less digits than its factorization.

2803398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 2803398 is about 1674.3350919096. The cubic root of 2803398 is about 141.0029675951.

The spelling of 2803398 in words is "two million, eight hundred three thousand, three hundred ninety-eight".