5194639 has 8 divisors (see below), whose sum is σ = 5678208. Its totient is φ = 4730880.

The previous prime is 5194603. The next prime is 5194643. The reversal of 5194639 is 9364915.

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

It is a cyclic number.

It is not a de Polignac number, because 5194639 - 2²¹ = 3097487 is a prime.

It is an Ulam number.

5194639 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5194598 and 5194607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5194649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4402 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (709776).

Almost surely, 2^5194639 is an apocalyptic number.

5194639 is a deficient number, since it is larger than the sum of its proper divisors (483569).

5194639 is a wasteful number, since it uses less digits than its factorization.

5194639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905.

The product of its digits is 29160, while the sum is 37.

The square root of 5194639 is about 2279.1750700637. The cubic root of 5194639 is about 173.1882633162.

The spelling of 5194639 in words is "five million, one hundred ninety-four thousand, six hundred thirty-nine".