981965335 has 16 divisors (see below), whose sum is σ = 1324177344. Its totient is φ = 693614592.

The previous prime is 981965323. The next prime is 981965351. The reversal of 981965335 is 533569189.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-981965335 is a prime.

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, 326922 + ... + 329911.

It is an arithmetic number, because the mean of its divisors is an integer number (82761084).

Almost surely, 2^981965335 is an apocalyptic number.

981965335 is a deficient number, since it is larger than the sum of its proper divisors (342212009).

981965335 is a wasteful number, since it uses less digits than its factorization.

981965335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656874.

The product of its digits is 874800, while the sum is 49.

The square root of 981965335 is about 31336.3261248028. The cubic root of 981965335 is about 993.9519397108.

The spelling of 981965335 in words is "nine hundred eighty-one million, nine hundred sixty-five thousand, three hundred thirty-five".