2890421996 has 72 divisors (see below), whose sum is σ = 6640477200. Its totient is φ = 1087282560.

The previous prime is 2890421993. The next prime is 2890422001. The reversal of 2890421996 is 6991240982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2890421993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39410 + ... + 85638.

It is an arithmetic number, because the mean of its divisors is an integer number (92228850).

Almost surely, 2^2890421996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2890421996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3320238600).

2890421996 is an abundant number, since it is smaller than the sum of its proper divisors (3750055204).

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

2890421996 is a wasteful number, since it uses less digits than its factorization.

2890421996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46287 (or 46278 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 2890421996 is about 53762.6449870168. The cubic root of 2890421996 is about 1424.4714561427.

The spelling of 2890421996 in words is "two billion, eight hundred ninety million, four hundred twenty-one thousand, nine hundred ninety-six".