2098642 has 24 divisors (see below), whose sum is σ = 3900096. Its totient is φ = 829296.

The previous prime is 2098639. The next prime is 2098651. The reversal of 2098642 is 2468902.

It is an unprimeable number.

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, 1923 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (162504).

2^2098642 is an apocalyptic number.

2098642 is the 1183-rd pentagonal number.

2098642 is a deficient number, since it is larger than the sum of its proper divisors (1801454).

2098642 is a wasteful number, since it uses less digits than its factorization.

2098642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2098642 is about 1448.6690443300. The cubic root of 2098642 is about 128.0303069512.

The spelling of 2098642 in words is "two million, ninety-eight thousand, six hundred forty-two".