2728358 has 4 divisors (see below), whose sum is σ = 4092540. Its totient is φ = 1364178.

The previous prime is 2728357. The next prime is 2728373. The reversal of 2728358 is 8538272.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682088 + ... + 682091.

It is an arithmetic number, because the mean of its divisors is an integer number (1023135).

2^2728358 is an apocalyptic number.

2728358 is a deficient number, since it is larger than the sum of its proper divisors (1364182).

2728358 is a wasteful number, since it uses less digits than its factorization.

2728358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364181.

The product of its digits is 26880, while the sum is 35.

The square root of 2728358 is about 1651.7741976432. The cubic root of 2728358 is about 139.7334725074.

The spelling of 2728358 in words is "two million, seven hundred twenty-eight thousand, three hundred fifty-eight".