802031988 has 96 divisors (see below), whose sum is σ = 1997807616. Its totient is φ = 249904512.

The previous prime is 802031981. The next prime is 802032053. The reversal of 802031988 is 889130208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802031981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3596445 + ... + 3596667.

It is an arithmetic number, because the mean of its divisors is an integer number (20810496).

Almost surely, 2^802031988 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 802031988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998903808).

802031988 is an abundant number, since it is smaller than the sum of its proper divisors (1195775628).

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

802031988 is a wasteful number, since it uses less digits than its factorization.

802031988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 802031988 is about 28320.1692791551. The cubic root of 802031988 is about 929.1030732760.

The spelling of 802031988 in words is "eight hundred two million, thirty-one thousand, nine hundred eighty-eight".