2720998 has 16 divisors (see below), whose sum is σ = 4688640. Its totient is φ = 1160136.

The previous prime is 2720987. The next prime is 2720999. The reversal of 2720998 is 8990272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720999) 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, 3313 + ... + 4051.

It is an arithmetic number, because the mean of its divisors is an integer number (293040).

2^2720998 is an apocalyptic number.

2720998 is a deficient number, since it is larger than the sum of its proper divisors (1967642).

2720998 is a wasteful number, since it uses less digits than its factorization.

2720998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2720998 is about 1649.5447856909. The cubic root of 2720998 is about 139.6077113334.

It can be divided in two parts, 27 and 20998, that added together give a square (21025 = 145²).

The spelling of 2720998 in words is "two million, seven hundred twenty thousand, nine hundred ninety-eight".