2098745 has 12 divisors (see below), whose sum is σ = 2769060. Its totient is φ = 1525920.

The previous prime is 2098741. The next prime is 2098757. The reversal of 2098745 is 5478902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 327184 + 1771561 = 572^2 + 1331^2 .

It is not a de Polignac number, because 2098745 - 2² = 2098741 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²¹ + 0 + 9³ + 8³ + 7³ + 4 + 5 .

It is not an unprimeable number, because it can be changed into a prime (2098741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130 + ... + 2339.

It is an arithmetic number, because the mean of its divisors is an integer number (230755).

2^2098745 is an apocalyptic number.

It is an amenable number.

2098745 is a deficient number, since it is larger than the sum of its proper divisors (670315).

2098745 is a wasteful number, since it uses less digits than its factorization.

2098745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3496 (or 3485 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2098745 is about 1448.7045937664. The cubic root of 2098745 is about 128.0324014653.

The spelling of 2098745 in words is "two million, ninety-eight thousand, seven hundred forty-five".