190288464 has 40 divisors (see below), whose sum is σ = 492072672. Its totient is φ = 63365760.

The previous prime is 190288433. The next prime is 190288471. The reversal of 190288464 is 464882091.

190288464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91662 + ... + 93714.

Almost surely, 2^190288464 is an apocalyptic number.

It is an amenable number.

190288464 is an abundant number, since it is smaller than the sum of its proper divisors (301784208).

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

190288464 is a wasteful number, since it uses less digits than its factorization.

190288464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 190288464 is about 13794.5084725770. The cubic root of 190288464 is about 575.1804993508.

The spelling of 190288464 in words is "one hundred ninety million, two hundred eighty-eight thousand, four hundred sixty-four".