896803981 has 8 divisors (see below), whose sum is σ = 900216504. Its totient is φ = 893399040.

The previous prime is 896803979. The next prime is 896803987. The reversal of 896803981 is 189308698.

It can be written as a sum of positive squares in 4 ways, for example, as 616777225 + 280026756 = 24835^2 + 16734^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 896803981 - 2¹ = 896803979 is a prime.

It is a super-2 number, since 2×896803981² = 1608514760674896722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (896803987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340851 + ... + 343471.

It is an arithmetic number, because the mean of its divisors is an integer number (112527063).

Almost surely, 2^896803981 is an apocalyptic number.

It is an amenable number.

896803981 is a deficient number, since it is larger than the sum of its proper divisors (3412523).

896803981 is a wasteful number, since it uses less digits than its factorization.

896803981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 896803981 is about 29946.6856429889. The cubic root of 896803981 is about 964.3451689599.

The spelling of 896803981 in words is "eight hundred ninety-six million, eight hundred three thousand, nine hundred eighty-one".