981229894 has 8 divisors (see below), whose sum is σ = 1482588648. Its totient is φ = 487033680.

The previous prime is 981229883. The next prime is 981229927. The reversal of 981229894 is 498922189.

981229894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790292 + ... + 1790839.

It is an arithmetic number, because the mean of its divisors is an integer number (185323581).

Almost surely, 2^981229894 is an apocalyptic number.

981229894 is a deficient number, since it is larger than the sum of its proper divisors (501358754).

981229894 is a wasteful number, since it uses less digits than its factorization.

981229894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581270.

The product of its digits is 746496, while the sum is 52.

The square root of 981229894 is about 31324.5892870122. The cubic root of 981229894 is about 993.7037382892.

The spelling of 981229894 in words is "nine hundred eighty-one million, two hundred twenty-nine thousand, eight hundred ninety-four".