898397965 has 16 divisors (see below), whose sum is σ = 1100463408. Its totient is φ = 703845376.

The previous prime is 898397911. The next prime is 898398013. The reversal of 898397965 is 569793898.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 18267076 + 880130889 = 4274^2 + 29667^2 .

It is a cyclic number.

It is not a de Polignac number, because 898397965 - 2¹³ = 898389773 is a prime.

It is a super-2 number, since 2×898397965² = 1614237807032282450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 898397897 and 898397906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154287 + ... + 160003.

It is an arithmetic number, because the mean of its divisors is an integer number (68778963).

Almost surely, 2^898397965 is an apocalyptic number.

It is an amenable number.

898397965 is a deficient number, since it is larger than the sum of its proper divisors (202065443).

898397965 is a wasteful number, since it uses less digits than its factorization.

898397965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6368.

The product of its digits is 29393280, while the sum is 64.

The square root of 898397965 is about 29973.2875240605. The cubic root of 898397965 is about 964.9161748086.

The spelling of 898397965 in words is "eight hundred ninety-eight million, three hundred ninety-seven thousand, nine hundred sixty-five".