978416 has 10 divisors (see below), whose sum is σ = 1895712. Its totient is φ = 489200.

The previous prime is 978413. The next prime is 978427. The reversal of 978416 is 614879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978413) 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 as a sum of consecutive naturals, namely, 30560 + ... + 30591.

2⁹⁷⁸⁴¹⁶ is an apocalyptic number.

It is an amenable number.

978416 is a deficient number, since it is larger than the sum of its proper divisors (917296).

978416 is a wasteful number, since it uses less digits than its factorization.

978416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61159 (or 61153 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 978416 is about 989.1491293026. The cubic root of 978416 is about 99.2752940331.

The spelling of 978416 in words is "nine hundred seventy-eight thousand, four hundred sixteen".