190819084 has 24 divisors (see below), whose sum is σ = 362205648. Its totient is φ = 87605760.

The previous prime is 190819073. The next prime is 190819087. The reversal of 190819084 is 480918091.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (190819087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31434 + ... + 37009.

It is an arithmetic number, because the mean of its divisors is an integer number (15091902).

Almost surely, 2^190819084 is an apocalyptic number.

It is an amenable number.

190819084 is a deficient number, since it is larger than the sum of its proper divisors (171386564).

190819084 is a wasteful number, since it uses less digits than its factorization.

190819084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68505 (or 68503 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 190819084 is about 13813.7280992497. The cubic root of 190819084 is about 575.7146340762.

The spelling of 190819084 in words is "one hundred ninety million, eight hundred nineteen thousand, eighty-four".