191028468 has 24 divisors (see below), whose sum is σ = 446031040. Its totient is φ = 63633600.

The previous prime is 191028463. The next prime is 191028499. The reversal of 191028468 is 864820191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191028463) 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, 17193 + ... + 26031.

Almost surely, 2^191028468 is an apocalyptic number.

It is an amenable number.

191028468 is an abundant number, since it is smaller than the sum of its proper divisors (255002572).

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

191028468 is a wasteful number, since it uses less digits than its factorization.

191028468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647 (or 10645 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 191028468 is about 13821.3048588040. The cubic root of 191028468 is about 575.9251325339.

The spelling of 191028468 in words is "one hundred ninety-one million, twenty-eight thousand, four hundred sixty-eight".