1990830367 has 4 divisors (see below), whose sum is σ = 2059479720. Its totient is φ = 1922181016.

The previous prime is 1990830353. The next prime is 1990830397. The reversal of 1990830367 is 7630380991.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1990830367 - 2¹⁹ = 1990306079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1990830397) 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, 34324633 + ... + 34324690.

It is an arithmetic number, because the mean of its divisors is an integer number (514869930).

Almost surely, 2^1990830367 is an apocalyptic number.

1990830367 is a deficient number, since it is larger than the sum of its proper divisors (68649353).

1990830367 is an equidigital number, since it uses as much as digits as its factorization.

1990830367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68649352.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 1990830367 is about 44618.7221578566. The cubic root of 1990830367 is about 1257.9925974122.

The spelling of 1990830367 in words is "one billion, nine hundred ninety million, eight hundred thirty thousand, three hundred sixty-seven".