902198441 has 16 divisors (see below), whose sum is σ = 933577920. Its totient is φ = 871503360.

The previous prime is 902198431. The next prime is 902198443. The reversal of 902198441 is 144891209.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-902198441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 902198395 and 902198404.

It is not an unprimeable number, because it can be changed into a prime (902198443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872861 + ... + 873893.

It is an arithmetic number, because the mean of its divisors is an integer number (58348620).

Almost surely, 2^902198441 is an apocalyptic number.

It is an amenable number.

902198441 is a deficient number, since it is larger than the sum of its proper divisors (31379479).

902198441 is a wasteful number, since it uses less digits than its factorization.

902198441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 902198441 is about 30036.6183349591. The cubic root of 902198441 is about 966.2748829437.

The spelling of 902198441 in words is "nine hundred two million, one hundred ninety-eight thousand, four hundred forty-one".