4085698 has 4 divisors (see below), whose sum is σ = 6128550. Its totient is φ = 2042848.

The previous prime is 4085693. The next prime is 4085699. The reversal of 4085698 is 8965804.

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., 2934369 + 1151329 = 1713^2 + 1073^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4085698.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085693) by changing a digit.

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, 1021423 + ... + 1021426.

Almost surely, 2^4085698 is an apocalyptic number.

4085698 is a deficient number, since it is larger than the sum of its proper divisors (2042852).

4085698 is a wasteful number, since it uses less digits than its factorization.

4085698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042851.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 4085698 is about 2021.3109607381. The cubic root of 4085698 is about 159.8657467569.

The spelling of 4085698 in words is "four million, eighty-five thousand, six hundred ninety-eight".