2989790862 has 8 divisors (see below), whose sum is σ = 5979581736. Its totient is φ = 996596952.

The previous prime is 2989790851. The next prime is 2989790863. The reversal of 2989790862 is 2680979892.

It is a happy number.

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

2989790862 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2989790796 and 2989790805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2989790863) 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, 249149233 + ... + 249149244.

It is an arithmetic number, because the mean of its divisors is an integer number (747447717).

Almost surely, 2^2989790862 is an apocalyptic number.

2989790862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2989790862 is a wasteful number, since it uses less digits than its factorization.

2989790862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498298482.

The product of its (nonzero) digits is 7838208, while the sum is 60.

The square root of 2989790862 is about 54678.9800746137. The cubic root of 2989790862 is about 1440.6116971036.

The spelling of 2989790862 in words is "two billion, nine hundred eighty-nine million, seven hundred ninety thousand, eight hundred sixty-two".