190128324 has 24 divisors (see below), whose sum is σ = 445495680. Its totient is φ = 63109984.

The previous prime is 190128319. The next prime is 190128347. The reversal of 190128324 is 423821091.

It is a super-2 number, since 2×190128324² = 72297559174097952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190128291 and 190128300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30279 + ... + 36014.

It is an arithmetic number, because the mean of its divisors is an integer number (18562320).

Almost surely, 2^190128324 is an apocalyptic number.

It is an amenable number.

190128324 is an abundant number, since it is smaller than the sum of its proper divisors (255367356).

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

190128324 is a wasteful number, since it uses less digits than its factorization.

190128324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66539 (or 66537 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 190128324 is about 13788.7027671206. The cubic root of 190128324 is about 575.0191035871.

The spelling of 190128324 in words is "one hundred ninety million, one hundred twenty-eight thousand, three hundred twenty-four".