869421696 has 256 divisors, whose sum is σ = 2763694080. Its totient is φ = 238694400.

The previous prime is 869421677. The next prime is 869421697. The reversal of 869421696 is 696124968.

It is not an unprimeable number, because it can be changed into a prime (869421697) 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, 3898641 + ... + 3898863.

It is an arithmetic number, because the mean of its divisors is an integer number (10795680).

Almost surely, 2^869421696 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 869421696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381847040).

869421696 is an abundant number, since it is smaller than the sum of its proper divisors (1894272384).

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

869421696 is a wasteful number, since it uses less digits than its factorization.

869421696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 323 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 869421696 is about 29485.9576069695. The cubic root of 869421696 is about 954.4287021021.

The spelling of 869421696 in words is "eight hundred sixty-nine million, four hundred twenty-one thousand, six hundred ninety-six".