802981656 has 96 divisors (see below), whose sum is σ = 2234232000. Its totient is φ = 260390592.

The previous prime is 802981583. The next prime is 802981691. The reversal of 802981656 is 656189208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1296915 + ... + 1297533.

It is an arithmetic number, because the mean of its divisors is an integer number (23273250).

Almost surely, 2^802981656 is an apocalyptic number.

802981656 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802981656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117116000).

802981656 is an abundant number, since it is smaller than the sum of its proper divisors (1431250344).

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

802981656 is a wasteful number, since it uses less digits than its factorization.

802981656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 802981656 is about 28336.9309559098. The cubic root of 802981656 is about 929.4696386361.

The spelling of 802981656 in words is "eight hundred two million, nine hundred eighty-one thousand, six hundred fifty-six".