981426286 has 8 divisors (see below), whose sum is σ = 1558735920. Its totient is φ = 461847648.

The previous prime is 981426239. The next prime is 981426287. The reversal of 981426286 is 682624189.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981426287) 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, 14432706 + ... + 14432773.

It is an arithmetic number, because the mean of its divisors is an integer number (194841990).

Almost surely, 2^981426286 is an apocalyptic number.

981426286 is a deficient number, since it is larger than the sum of its proper divisors (577309634).

981426286 is a wasteful number, since it uses less digits than its factorization.

981426286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28865498.

The product of its digits is 331776, while the sum is 46.

The square root of 981426286 is about 31327.7239198765. The cubic root of 981426286 is about 993.7700300750.

It can be divided in two parts, 9814 and 26286, that added together give a square (36100 = 190²).

The spelling of 981426286 in words is "nine hundred eighty-one million, four hundred twenty-six thousand, two hundred eighty-six".