2728898 has 8 divisors (see below), whose sum is σ = 4204092. Its totient is φ = 1327536.

The previous prime is 2728889. The next prime is 2728907. The reversal of 2728898 is 8988272.

It is an interprime number because it is at equal distance from previous prime (2728889) and next prime (2728907).

It can be written as a sum of positive squares in 2 ways, for example, as 2229049 + 499849 = 1493^2 + 707^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18365 + ... + 18512.

2^2728898 is an apocalyptic number.

2728898 is a deficient number, since it is larger than the sum of its proper divisors (1475194).

2728898 is a wasteful number, since it uses less digits than its factorization.

2728898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36916.

The product of its digits is 129024, while the sum is 44.

The square root of 2728898 is about 1651.9376501551. The cubic root of 2728898 is about 139.7426906400.

The spelling of 2728898 in words is "two million, seven hundred twenty-eight thousand, eight hundred ninety-eight".