902198 has 16 divisors (see below), whose sum is σ = 1541376. Its totient is φ = 392040.

The previous prime is 902191. The next prime is 902201. The reversal of 902198 is 891209.

902198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×902198² = 1627922462408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 902198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386 + ... + 1397.

It is an arithmetic number, because the mean of its divisors is an integer number (96336).

2⁹⁰²¹⁹⁸ is an apocalyptic number.

902198 is a deficient number, since it is larger than the sum of its proper divisors (639178).

902198 is a wasteful number, since it uses less digits than its factorization.

902198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 902198 is about 949.8410393324. The cubic root of 902198 is about 96.6274725503.

It can be divided in two parts, 9021 and 98, that added together give a palindrome (9119).

The spelling of 902198 in words is "nine hundred two thousand, one hundred ninety-eight".