190487028 has 12 divisors (see below), whose sum is σ = 444469760. Its totient is φ = 63495672.

The previous prime is 190486991. The next prime is 190487029. The reversal of 190487028 is 820784091.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190487029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7936948 + ... + 7936971.

Almost surely, 2^190487028 is an apocalyptic number.

It is an amenable number.

190487028 is an abundant number, since it is smaller than the sum of its proper divisors (253982732).

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

190487028 is a wasteful number, since it uses less digits than its factorization.

190487028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15873926 (or 15873924 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 190487028 is about 13801.7038078637. The cubic root of 190487028 is about 575.3804947256.

The spelling of 190487028 in words is "one hundred ninety million, four hundred eighty-seven thousand, twenty-eight".