5199642 has 48 divisors (see below), whose sum is σ = 13328640. Its totient is φ = 1433376.

The previous prime is 5199641. The next prime is 5199643. The reversal of 5199642 is 2469915.

5199642 is a `hidden beast` number, since 5 + 1 + 9 + 9 + 642 = 666.

It is an interprime number because it is at equal distance from previous prime (5199641) and next prime (5199643).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5199597 and 5199606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5199641) 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 23 ways as a sum of consecutive naturals, for example, 2943 + ... + 4365.

It is an arithmetic number, because the mean of its divisors is an integer number (277680).

Almost surely, 2^5199642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5199642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6664320).

5199642 is an abundant number, since it is smaller than the sum of its proper divisors (8128998).

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

5199642 is a wasteful number, since it uses less digits than its factorization.

5199642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467 (or 1464 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 5199642 is about 2280.2723521545. The cubic root of 5199642 is about 173.2438451616.

The spelling of 5199642 in words is "five million, one hundred ninety-nine thousand, six hundred forty-two".