981297048 has 32 divisors (see below), whose sum is σ = 2482804800. Its totient is φ = 323157408.

The previous prime is 981297029. The next prime is 981297073. The reversal of 981297048 is 840792189.

It is a junction number, because it is equal to n+sod(n) for n = 981296988 and 981297006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244318 + ... + 248301.

It is an arithmetic number, because the mean of its divisors is an integer number (77587650).

Almost surely, 2^981297048 is an apocalyptic number.

It is an amenable number.

981297048 is an abundant number, since it is smaller than the sum of its proper divisors (1501507752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

981297048 is a wasteful number, since it uses less digits than its factorization.

981297048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492711 (or 492707 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 981297048 is about 31325.6611741875. The cubic root of 981297048 is about 993.7264070029.

The spelling of 981297048 in words is "nine hundred eighty-one million, two hundred ninety-seven thousand, forty-eight".