896239657 has 2 divisors, whose sum is σ = 896239658. Its totient is φ = 896239656.

The previous prime is 896239651. The next prime is 896239661. The reversal of 896239657 is 756932698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 895445776 + 793881 = 29924^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 896239657 - 2³ = 896239649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 896239598 and 896239607.

It is not a weakly prime, because it can be changed into another prime (896239651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448119828 + 448119829.

It is an arithmetic number, because the mean of its divisors is an integer number (448119829).

Almost surely, 2^896239657 is an apocalyptic number.

It is an amenable number.

896239657 is a deficient number, since it is larger than the sum of its proper divisors (1).

896239657 is an equidigital number, since it uses as much as digits as its factorization.

896239657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 55.

The square root of 896239657 is about 29937.2620157555. The cubic root of 896239657 is about 964.1428514995.

The spelling of 896239657 in words is "eight hundred ninety-six million, two hundred thirty-nine thousand, six hundred fifty-seven".