2783389 has 8 divisors (see below), whose sum is σ = 3201408. Its totient is φ = 2370480.

The previous prime is 2783377. The next prime is 2783411. The reversal of 2783389 is 9833872.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2783389 - 2⁹ = 2782877 is a prime.

2783389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783689) 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, 22 + ... + 2359.

It is an arithmetic number, because the mean of its divisors is an integer number (400176).

2^2783389 is an apocalyptic number.

It is an amenable number.

2783389 is a deficient number, since it is larger than the sum of its proper divisors (418019).

2783389 is a wasteful number, since it uses less digits than its factorization.

2783389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555.

The product of its digits is 72576, while the sum is 40.

The square root of 2783389 is about 1668.3491840739. The cubic root of 2783389 is about 140.6667009825. Note that the first 3 decimals are identical.

The spelling of 2783389 in words is "two million, seven hundred eighty-three thousand, three hundred eighty-nine".