893339681 has 16 divisors (see below), whose sum is σ = 1022397264. Its totient is φ = 773259264.

The previous prime is 893339653. The next prime is 893339723. The reversal of 893339681 is 186933398.

It can be written as a sum of positive squares in 8 ways, for example, as 184715281 + 708624400 = 13591^2 + 26620^2 .

It is a cyclic number.

It is not a de Polignac number, because 893339681 - 2¹⁴ = 893323297 is a prime.

It is a super-2 number, since 2×893339681² = 1596111571298363522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (893339621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53921 + ... + 68513.

It is an arithmetic number, because the mean of its divisors is an integer number (63899829).

Almost surely, 2^893339681 is an apocalyptic number.

It is an amenable number.

893339681 is a deficient number, since it is larger than the sum of its proper divisors (129057583).

893339681 is a wasteful number, since it uses less digits than its factorization.

893339681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14900.

The product of its digits is 839808, while the sum is 50.

The square root of 893339681 is about 29888.7885502240. The cubic root of 893339681 is about 963.1018307497.

The spelling of 893339681 in words is "eight hundred ninety-three million, three hundred thirty-nine thousand, six hundred eighty-one".