802139800 has 192 divisors, whose sum is σ = 2374848000. Its totient is φ = 249782400.

The previous prime is 802139791. The next prime is 802139801. The reversal of 802139800 is 8931208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802139801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 754069 + ... + 755131.

It is an arithmetic number, because the mean of its divisors is an integer number (12369000).

Almost surely, 2^802139800 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 802139800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187424000).

802139800 is an abundant number, since it is smaller than the sum of its proper divisors (1572708200).

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

802139800 is a wasteful number, since it uses less digits than its factorization.

802139800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 802139800 is about 28322.0726642666. The cubic root of 802139800 is about 929.1447025269.

The spelling of 802139800 in words is "eight hundred two million, one hundred thirty-nine thousand, eight hundred".