1990674086 has 8 divisors (see below), whose sum is σ = 3088977120. Its totient is φ = 961015048.

The previous prime is 1990674047. The next prime is 1990674113. The reversal of 1990674086 is 6804760991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17160926 + ... + 17161041.

It is an arithmetic number, because the mean of its divisors is an integer number (386122140).

Almost surely, 2^1990674086 is an apocalyptic number.

1990674086 is a deficient number, since it is larger than the sum of its proper divisors (1098303034).

1990674086 is a wasteful number, since it uses less digits than its factorization.

1990674086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34321998.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 1990674086 is about 44616.9708294949. The cubic root of 1990674086 is about 1257.9596789059.

The spelling of 1990674086 in words is "one billion, nine hundred ninety million, six hundred seventy-four thousand, eighty-six".