190280530 has 16 divisors (see below), whose sum is σ = 373641984. Its totient is φ = 69192880.

The previous prime is 190280509. The next prime is 190280543. The reversal of 190280530 is 35082091.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864802 + ... + 865021.

It is an arithmetic number, because the mean of its divisors is an integer number (23352624).

Almost surely, 2^190280530 is an apocalyptic number.

190280530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190280530 is a deficient number, since it is larger than the sum of its proper divisors (183361454).

190280530 is a wasteful number, since it uses less digits than its factorization.

190280530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729841.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 190280530 is about 13794.2208913733. The cubic root of 190280530 is about 575.1725052675.

The spelling of 190280530 in words is "one hundred ninety million, two hundred eighty thousand, five hundred thirty".