5193978 has 16 divisors (see below), whose sum is σ = 10414656. Its totient is φ = 1726880.

The previous prime is 5193977. The next prime is 5193983. The reversal of 5193978 is 8793915.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5193977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2158 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (650916).

Almost surely, 2^5193978 is an apocalyptic number.

5193978 is an abundant number, since it is smaller than the sum of its proper divisors (5220678).

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

5193978 is a wasteful number, since it uses less digits than its factorization.

5193978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its digits is 68040, while the sum is 42.

The square root of 5193978 is about 2279.0300568444. The cubic root of 5193978 is about 173.1809171337.

The spelling of 5193978 in words is "five million, one hundred ninety-three thousand, nine hundred seventy-eight".