2727898 has 4 divisors (see below), whose sum is σ = 4091850. Its totient is φ = 1363948.

The previous prime is 2727847. The next prime is 2727913. The reversal of 2727898 is 8987272.

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

It can be written as a sum of positive squares in only one way, i.e., 1555009 + 1172889 = 1247^2 + 1083^2 .

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681973 + ... + 681976.

2^2727898 is an apocalyptic number.

2727898 is a deficient number, since it is larger than the sum of its proper divisors (1363952).

2727898 is a wasteful number, since it uses less digits than its factorization.

2727898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363951.

The product of its digits is 112896, while the sum is 43.

The square root of 2727898 is about 1651.6349475595. The cubic root of 2727898 is about 139.7256190646.

The spelling of 2727898 in words is "two million, seven hundred twenty-seven thousand, eight hundred ninety-eight".