981356306 has 8 divisors (see below), whose sum is σ = 1682325120. Its totient is φ = 420581268.

The previous prime is 981356273. The next prime is 981356329. The reversal of 981356306 is 603653189.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35048426 + ... + 35048453.

It is an arithmetic number, because the mean of its divisors is an integer number (210290640).

Almost surely, 2^981356306 is an apocalyptic number.

981356306 is a deficient number, since it is larger than the sum of its proper divisors (700968814).

981356306 is a wasteful number, since it uses less digits than its factorization.

981356306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70096888.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 981356306 is about 31326.6069978860. The cubic root of 981356306 is about 993.7464094592.

The spelling of 981356306 in words is "nine hundred eighty-one million, three hundred fifty-six thousand, three hundred six".