981481486 has 8 divisors (see below), whose sum is σ = 1474159104. Its totient is φ = 490095120.

The previous prime is 981481477. The next prime is 981481559. The reversal of 981481486 is 684184189.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320910 + ... + 323953.

It is an arithmetic number, because the mean of its divisors is an integer number (184269888).

Almost surely, 2^981481486 is an apocalyptic number.

981481486 is a deficient number, since it is larger than the sum of its proper divisors (492677618).

981481486 is a wasteful number, since it uses less digits than its factorization.

981481486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645626.

The product of its digits is 442368, while the sum is 49.

The square root of 981481486 is about 31328.6049162742. The cubic root of 981481486 is about 993.7886611490.

The spelling of 981481486 in words is "nine hundred eighty-one million, four hundred eighty-one thousand, four hundred eighty-six".