2785398 has 32 divisors (see below), whose sum is σ = 6946560. Its totient is φ = 723360.

The previous prime is 2785379. The next prime is 2785423. The reversal of 2785398 is 8935872.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a d-powerful number, because it can be written as 2¹³ + 7⁷ + 8 + 5⁹ + 3² + 9 + 8³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2553 + ... + 3476.

It is an arithmetic number, because the mean of its divisors is an integer number (217080).

2^2785398 is an apocalyptic number.

2785398 is an abundant number, since it is smaller than the sum of its proper divisors (4161162).

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

2785398 is a wasteful number, since it uses less digits than its factorization.

2785398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052.

The product of its digits is 120960, while the sum is 42.

The square root of 2785398 is about 1668.9511676499. The cubic root of 2785398 is about 140.7005364062.

The spelling of 2785398 in words is "two million, seven hundred eighty-five thousand, three hundred ninety-eight".