2098438 has 4 divisors (see below), whose sum is σ = 3147660. Its totient is φ = 1049218.

The previous prime is 2098427. The next prime is 2098441. The reversal of 2098438 is 8348902.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 2 + 0 + 9 + 8 + 4⁵ + 3⁵ + 8⁷ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524608 + ... + 524611.

It is an arithmetic number, because the mean of its divisors is an integer number (786915).

2^2098438 is an apocalyptic number.

2098438 is a deficient number, since it is larger than the sum of its proper divisors (1049222).

2098438 is a wasteful number, since it uses less digits than its factorization.

2098438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049221.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2098438 is about 1448.5986331624. The cubic root of 2098438 is about 128.0261583908.

The spelling of 2098438 in words is "two million, ninety-eight thousand, four hundred thirty-eight".