2098742 has 8 divisors (see below), whose sum is σ = 3154896. Its totient is φ = 1047112.

The previous prime is 2098741. The next prime is 2098757. The reversal of 2098742 is 2478902.

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

It is a d-powerful number, because it can be written as 2 + 0 + 9³ + 8³ + 7³ + 4 + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2098699 and 2098708.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 503 + ... + 2109.

It is an arithmetic number, because the mean of its divisors is an integer number (394362).

2^2098742 is an apocalyptic number.

2098742 is a deficient number, since it is larger than the sum of its proper divisors (1056154).

2098742 is a wasteful number, since it uses less digits than its factorization.

2098742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2098742 is about 1448.7035583583. The cubic root of 2098742 is about 128.0323404610.

The spelling of 2098742 in words is "two million, ninety-eight thousand, seven hundred forty-two".