7189936 has 30 divisors (see below), whose sum is σ = 15090180. Its totient is φ = 3317184.

The previous prime is 7189933. The next prime is 7189939. The reversal of 7189936 is 6399817.

It is an interprime number because it is at equal distance from previous prime (7189933) and next prime (7189939).

It is a junction number, because it is equal to n+sod(n) for n = 7189892 and 7189901.

It is not an unprimeable number, because it can be changed into a prime (7189933) 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 5 ways as a sum of consecutive naturals, for example, 1375 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (503006).

Almost surely, 2^7189936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7189936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7545090).

7189936 is an abundant number, since it is smaller than the sum of its proper divisors (7900244).

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

7189936 is a wasteful number, since it uses less digits than its factorization.

7189936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2693 (or 2674 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 7189936 is about 2681.4056015456. The cubic root of 7189936 is about 193.0078656624.

The spelling of 7189936 in words is "seven million, one hundred eighty-nine thousand, nine hundred thirty-six".