5278194 has 48 divisors (see below), whose sum is σ = 12400128. Its totient is φ = 1616256.

The previous prime is 5278171. The next prime is 5278223. The reversal of 5278194 is 4918725.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14199 + ... + 14565.

It is an arithmetic number, because the mean of its divisors is an integer number (258336).

Almost surely, 2^5278194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5278194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6200064).

5278194 is an abundant number, since it is smaller than the sum of its proper divisors (7121934).

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

5278194 is a wasteful number, since it uses less digits than its factorization.

5278194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439 (or 436 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 5278194 is about 2297.4320446969. The cubic root of 5278194 is about 174.1118979011. Note that the first 3 decimals are identical.

The spelling of 5278194 in words is "five million, two hundred seventy-eight thousand, one hundred ninety-four".