2043698 has 4 divisors (see below), whose sum is σ = 3065550. Its totient is φ = 1021848.

The previous prime is 2043673. The next prime is 2043703. The reversal of 2043698 is 8963402.

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

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 18769 = 1423^2 + 137^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510923 + ... + 510926.

2^2043698 is an apocalyptic number.

2043698 is a deficient number, since it is larger than the sum of its proper divisors (1021852).

2043698 is a wasteful number, since it uses less digits than its factorization.

2043698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021851.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2043698 is about 1429.5796585011. The cubic root of 2043698 is about 126.9031025618.

The spelling of 2043698 in words is "two million, forty-three thousand, six hundred ninety-eight".