2098405 has 16 divisors (see below), whose sum is σ = 2674944. Its totient is φ = 1576960.

The previous prime is 2098403. The next prime is 2098423. The reversal of 2098405 is 5048902.

It is a happy number.

It is not a de Polignac number, because 2098405 - 2¹ = 2098403 is a prime.

It is a Duffinian number.

2098405 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098403) 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 15 ways as a sum of consecutive naturals, for example, 8037 + ... + 8293.

It is an arithmetic number, because the mean of its divisors is an integer number (167184).

2^2098405 is an apocalyptic number.

It is an amenable number.

2098405 is a deficient number, since it is larger than the sum of its proper divisors (576539).

2098405 is a wasteful number, since it uses less digits than its factorization.

2098405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2098405 is about 1448.5872427990. The cubic root of 2098405 is about 128.0254872749.

The spelling of 2098405 in words is "two million, ninety-eight thousand, four hundred five".