978241602 has 32 divisors (see below), whose sum is σ = 2110489920. Its totient is φ = 300496320.

The previous prime is 978241559. The next prime is 978241603. The reversal of 978241602 is 206142879.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (978241603) 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 15 ways as a sum of consecutive naturals, for example, 38152 + ... + 58412.

It is an arithmetic number, because the mean of its divisors is an integer number (65952810).

Almost surely, 2^978241602 is an apocalyptic number.

978241602 is an abundant number, since it is smaller than the sum of its proper divisors (1132248318).

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

978241602 is a wasteful number, since it uses less digits than its factorization.

978241602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20898.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 978241602 is about 31276.8540937224. The cubic root of 978241602 is about 992.6939523290.

The spelling of 978241602 in words is "nine hundred seventy-eight million, two hundred forty-one thousand, six hundred two".