978602 has 12 divisors (see below), whose sum is σ = 1503810. Its totient is φ = 477576.

The previous prime is 978599. The next prime is 978611. The reversal of 978602 is 206879.

It can be written as a sum of positive squares in only one way, i.e., 758641 + 219961 = 871^2 + 469^2 .

It is a nialpdrome in base 16.

It is a zygodrome in base 16.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 8924 + ... + 9032.

2⁹⁷⁸⁶⁰² is an apocalyptic number.

978602 is a deficient number, since it is larger than the sum of its proper divisors (525208).

978602 is a wasteful number, since it uses less digits than its factorization.

978602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 978602 is about 989.2431450356. The cubic root of 978602 is about 99.2815844844.

The spelling of 978602 in words is "nine hundred seventy-eight thousand, six hundred two".