981532946 has 8 divisors (see below), whose sum is σ = 1472643840. Its totient is φ = 490651668.

The previous prime is 981532931. The next prime is 981532949. The reversal of 981532946 is 649235189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 981532946.

It is not an unprimeable number, because it can be changed into a prime (981532949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46286 + ... + 64073.

It is an arithmetic number, because the mean of its divisors is an integer number (184080480).

Almost surely, 2^981532946 is an apocalyptic number.

981532946 is a deficient number, since it is larger than the sum of its proper divisors (491110894).

981532946 is a wasteful number, since it uses less digits than its factorization.

981532946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114808.

The product of its digits is 466560, while the sum is 47.

The square root of 981532946 is about 31329.4261996609. The cubic root of 981532946 is about 993.8060292711.

The spelling of 981532946 in words is "nine hundred eighty-one million, five hundred thirty-two thousand, nine hundred forty-six".