984797478 has 48 divisors (see below), whose sum is σ = 2457202176. Its totient is φ = 279218160.

The previous prime is 984797459. The next prime is 984797479. The reversal of 984797478 is 874797489.

It is a happy number.

984797478 is a `hidden beast` number, since 98 + 4 + 79 + 7 + 478 = 666.

984797478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984797479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13326 + ... + 46337.

It is an arithmetic number, because the mean of its divisors is an integer number (51191712).

Almost surely, 2^984797478 is an apocalyptic number.

984797478 is an abundant number, since it is smaller than the sum of its proper divisors (1472404698).

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

984797478 is a wasteful number, since it uses less digits than its factorization.

984797478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59809 (or 59806 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The square root of 984797478 is about 31381.4830433490. The cubic root of 984797478 is about 994.9065939270.

The spelling of 984797478 in words is "nine hundred eighty-four million, seven hundred ninety-seven thousand, four hundred seventy-eight".