5728978 has 8 divisors (see below), whose sum is σ = 8967168. Its totient is φ = 2739924.

The previous prime is 5728939. The next prime is 5728991. The reversal of 5728978 is 8798275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 124543 = 5728978 / (5 + 7 + 2 + 8 + 9 + 7 + 8).

It is a d-powerful number, because it can be written as 5⁴ + 7⁶ + 2⁵ + 8² + 9⁷ + 7⁷ + 8⁴ .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 62226 + ... + 62317.

It is an arithmetic number, because the mean of its divisors is an integer number (1120896).

Almost surely, 2^5728978 is an apocalyptic number.

5728978 is a deficient number, since it is larger than the sum of its proper divisors (3238190).

5728978 is a wasteful number, since it uses less digits than its factorization.

5728978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124568.

The product of its digits is 282240, while the sum is 46.

The square root of 5728978 is about 2393.5283578851. The cubic root of 5728978 is about 178.9337998909.

The spelling of 5728978 in words is "five million, seven hundred twenty-eight thousand, nine hundred seventy-eight".