2098730 has 16 divisors (see below), whose sum is σ = 3908520. Its totient is φ = 810432.

The previous prime is 2098729. The next prime is 2098739. The reversal of 2098730 is 378902.

It can be written as a sum of positive squares in 4 ways, for example, as 1825201 + 273529 = 1351^2 + 523^2 .

It is a super-2 number, since 2×2098730² = 8809335225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 2098693 and 2098702.

It is not an unprimeable number, because it can be changed into a prime (2098739) 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, 3329 + ... + 3908.

2^2098730 is an apocalyptic number.

2098730 is a deficient number, since it is larger than the sum of its proper divisors (1809790).

2098730 is a wasteful number, since it uses less digits than its factorization.

2098730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2098730 is about 1448.6994167183. The cubic root of 2098730 is about 128.0320964432.

The spelling of 2098730 in words is "two million, ninety-eight thousand, seven hundred thirty".