981606927 has 16 divisors (see below), whose sum is σ = 1496413440. Its totient is φ = 560681472.

The previous prime is 981606919. The next prime is 981606959. The reversal of 981606927 is 729606189.

It is not a de Polignac number, because 981606927 - 2³ = 981606919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981606727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49324 + ... + 66302.

It is an arithmetic number, because the mean of its divisors is an integer number (93525840).

Almost surely, 2^981606927 is an apocalyptic number.

981606927 is a deficient number, since it is larger than the sum of its proper divisors (514806513).

981606927 is a wasteful number, since it uses less digits than its factorization.

981606927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19742.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 981606927 is about 31330.6068725137. The cubic root of 981606927 is about 993.8309973298.

The spelling of 981606927 in words is "nine hundred eighty-one million, six hundred six thousand, nine hundred twenty-seven".