5308978 has 4 divisors (see below), whose sum is σ = 7963470. Its totient is φ = 2654488.

The previous prime is 5308949. The next prime is 5308991. The reversal of 5308978 is 8798035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8798035 = 5 ⋅1759607.

It can be written as a sum of positive squares in only one way, i.e., 4695889 + 613089 = 2167^2 + 783^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5308978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1327243 + ... + 1327246.

Almost surely, 2^5308978 is an apocalyptic number.

5308978 is a deficient number, since it is larger than the sum of its proper divisors (2654492).

5308978 is a wasteful number, since it uses less digits than its factorization.

5308978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654491.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 5308978 is about 2304.1219585777. The cubic root of 5308978 is about 174.4497327866.

The spelling of 5308978 in words is "five million, three hundred eight thousand, nine hundred seventy-eight".