190006528 has 18 divisors (see below), whose sum is σ = 379271354. Its totient is φ = 95003136.

The previous prime is 190006451. The next prime is 190006529. The reversal of 190006528 is 825600091.

It can be written as a sum of positive squares in only one way, i.e., 126517504 + 63489024 = 11248^2 + 7968^2 .

It is a super-2 number, since 2×190006528² = 72204961365229568, 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 190006528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190006529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370851 + ... + 371362.

Almost surely, 2^190006528 is an apocalyptic number.

It is an amenable number.

190006528 is a deficient number, since it is larger than the sum of its proper divisors (189264826).

190006528 is an frugal number, since it uses more digits than its factorization.

190006528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742229 (or 742215 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 190006528 is about 13784.2855455043. The cubic root of 190006528 is about 574.8962918191.

The spelling of 190006528 in words is "one hundred ninety million, six thousand, five hundred twenty-eight".