978294601 has 4 divisors (see below), whose sum is σ = 978362500. Its totient is φ = 978226704.

The previous prime is 978294599. The next prime is 978294623. The reversal of 978294601 is 106492879.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 106492879 = 17 ⋅6264287.

It can be written as a sum of positive squares in 2 ways, for example, as 11022400 + 967272201 = 3320^2 + 31101^2 .

It is a cyclic number.

It is not a de Polignac number, because 978294601 - 2¹ = 978294599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (978294101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2826 + ... + 44323.

It is an arithmetic number, because the mean of its divisors is an integer number (244590625).

Almost surely, 2^978294601 is an apocalyptic number.

It is an amenable number.

978294601 is a deficient number, since it is larger than the sum of its proper divisors (67899).

978294601 is a wasteful number, since it uses less digits than its factorization.

978294601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67898.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 978294601 is about 31277.7013381738. The cubic root of 978294601 is about 992.7118793375.

The spelling of 978294601 in words is "nine hundred seventy-eight million, two hundred ninety-four thousand, six hundred one".