978494616 has 48 divisors (see below), whose sum is σ = 2891009160. Its totient is φ = 296513280.

The previous prime is 978494611. The next prime is 978494617. The reversal of 978494616 is 616494879.

978494616 is a `hidden beast` number, since 97 + 8 + 494 + 61 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978494611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616945 + ... + 618528.

Almost surely, 2^978494616 is an apocalyptic number.

It is an amenable number.

978494616 is an abundant number, since it is smaller than the sum of its proper divisors (1912514544).

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

978494616 is a wasteful number, since it uses less digits than its factorization.

978494616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235496 (or 1235489 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 978494616 is about 31280.8985804436. The cubic root of 978494616 is about 992.7795289446.

It can be divided in two parts, 978 and 494616, that added together give a palindrome (495594).

The spelling of 978494616 in words is "nine hundred seventy-eight million, four hundred ninety-four thousand, six hundred sixteen".