4185098 has 4 divisors (see below), whose sum is σ = 6277650. Its totient is φ = 2092548.

The previous prime is 4185067. The next prime is 4185101. The reversal of 4185098 is 8905814.

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., 3179089 + 1006009 = 1783^2 + 1003^2 .

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 9.

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, 1046273 + ... + 1046276.

Almost surely, 2^4185098 is an apocalyptic number.

4185098 is the 1094-th centered heptagonal number.

4185098 is a deficient number, since it is larger than the sum of its proper divisors (2092552).

4185098 is a wasteful number, since it uses less digits than its factorization.

4185098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092551.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 4185098 is about 2045.7512067698. The cubic root of 4185098 is about 161.1518185242.

The spelling of 4185098 in words is "four million, one hundred eighty-five thousand, ninety-eight".