902018 has 8 divisors (see below), whose sum is σ = 1457148. Its totient is φ = 416304.

The previous prime is 902017. The next prime is 902029. The reversal of 902018 is 810209.

It can be written as a sum of positive squares in 2 ways, for example, as 889249 + 12769 = 943^2 + 113^2 .

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

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (902017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17321 + ... + 17372.

2⁹⁰²⁰¹⁸ is an apocalyptic number.

902018 is a deficient number, since it is larger than the sum of its proper divisors (555130).

902018 is a wasteful number, since it uses less digits than its factorization.

902018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34708.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 902018 is about 949.7462819090. The cubic root of 902018 is about 96.6210459855.

Subtracting from 902018 its reverse (810209), we obtain a square (91809 = 303²).

It can be divided in two parts, 90201 and 8, that added together give a palindrome (90209).

The spelling of 902018 in words is "nine hundred two thousand, eighteen".