5267978 has 16 divisors (see below), whose sum is σ = 8380320. Its totient is φ = 2476656.

The previous prime is 5267953. The next prime is 5268001. The reversal of 5267978 is 8797625.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 5525 + ... + 6407.

It is an arithmetic number, because the mean of its divisors is an integer number (523770).

Almost surely, 2^5267978 is an apocalyptic number.

5267978 is a deficient number, since it is larger than the sum of its proper divisors (3112342).

5267978 is a wasteful number, since it uses less digits than its factorization.

5267978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 211680, while the sum is 44.

The square root of 5267978 is about 2295.2076158814. The cubic root of 5267978 is about 173.9994935468. Note that the first 3 decimals are identical.

The spelling of 5267978 in words is "five million, two hundred sixty-seven thousand, nine hundred seventy-eight".