981926955 has 20 divisors (see below), whose sum is σ = 1760195712. Its totient is φ = 523694160.

The previous prime is 981926951. The next prime is 981926977. The reversal of 981926955 is 559629189.

It is not a de Polignac number, because 981926955 - 2² = 981926951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (981926951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1211851 + ... + 1212660.

Almost surely, 2^981926955 is an apocalyptic number.

981926955 is a deficient number, since it is larger than the sum of its proper divisors (778268757).

981926955 is a wasteful number, since it uses less digits than its factorization.

981926955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424528 (or 2424519 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The square root of 981926955 is about 31335.7137305025. The cubic root of 981926955 is about 993.9389900437.

The spelling of 981926955 in words is "nine hundred eighty-one million, nine hundred twenty-six thousand, nine hundred fifty-five".