2098685 has 8 divisors (see below), whose sum is σ = 2526936. Its totient is φ = 1673280.

The previous prime is 2098673. The next prime is 2098687. The reversal of 2098685 is 5868902.

It can be written as a sum of positive squares in 4 ways, for example, as 56644 + 2042041 = 238^2 + 1429^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-2098685 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098687) 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, 1607 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (315867).

2^2098685 is an apocalyptic number.

It is an amenable number.

2098685 is a deficient number, since it is larger than the sum of its proper divisors (428251).

2098685 is an equidigital number, since it uses as much as digits as its factorization.

2098685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2098685 is about 1448.6838854629. The cubic root of 2098685 is about 128.0311813683.

The spelling of 2098685 in words is "two million, ninety-eight thousand, six hundred eighty-five".