201028698 has 48 divisors (see below), whose sum is σ = 479999520. Its totient is φ = 60413472.

The previous prime is 201028697. The next prime is 201028727. The reversal of 201028698 is 896820102.

It is not an unprimeable number, because it can be changed into a prime (201028691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73 + ... + 20051.

It is an arithmetic number, because the mean of its divisors is an integer number (9999990).

Almost surely, 2^201028698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201028698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239999760).

201028698 is an abundant number, since it is smaller than the sum of its proper divisors (278970822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201028698 is a wasteful number, since it uses less digits than its factorization.

201028698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043 (or 20040 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 201028698 is about 14178.4589430587. The cubic root of 201028698 is about 585.8044772417.

The spelling of 201028698 in words is "two hundred one million, twenty-eight thousand, six hundred ninety-eight".