981932455 has 32 divisors (see below), whose sum is σ = 1397483136. Its totient is φ = 648290304.

The previous prime is 981932453. The next prime is 981932459. The reversal of 981932455 is 554239189.

It is a cyclic number.

It is not a de Polignac number, because 981932455 - 2¹ = 981932453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981932453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121707 + ... + 129523.

It is an arithmetic number, because the mean of its divisors is an integer number (43671348).

Almost surely, 2^981932455 is an apocalyptic number.

981932455 is a deficient number, since it is larger than the sum of its proper divisors (415550681).

981932455 is a wasteful number, since it uses less digits than its factorization.

981932455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7963.

The product of its digits is 388800, while the sum is 46.

The square root of 981932455 is about 31335.8014896699. The cubic root of 981932455 is about 993.9408458010.

The spelling of 981932455 in words is "nine hundred eighty-one million, nine hundred thirty-two thousand, four hundred fifty-five".