981424 has 10 divisors (see below), whose sum is σ = 1901540. Its totient is φ = 490704.

The previous prime is 981419. The next prime is 981437. The reversal of 981424 is 424189.

It is a junction number, because it is equal to n+sod(n) for n = 981392 and 981401.

It is an unprimeable number.

981424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30654 + ... + 30685.

It is an arithmetic number, because the mean of its divisors is an integer number (190154).

2⁹⁸¹⁴²⁴ is an apocalyptic number.

It is an amenable number.

981424 is a deficient number, since it is larger than the sum of its proper divisors (920116).

981424 is a wasteful number, since it uses less digits than its factorization.

981424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61347 (or 61341 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 981424 is about 990.6684611917. The cubic root of 981424 is about 99.3769258490.

The spelling of 981424 in words is "nine hundred eighty-one thousand, four hundred twenty-four".