7289436 has 120 divisors (see below), whose sum is σ = 22587264. Its totient is φ = 1811040.

The previous prime is 7289423. The next prime is 7289437. The reversal of 7289436 is 6349827.

It is a junction number, because it is equal to n+sod(n) for n = 7289394 and 7289403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7289437) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 316921 + ... + 316943.

Almost surely, 2^7289436 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 7289436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11293632).

7289436 is an abundant number, since it is smaller than the sum of its proper divisors (15297828).

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

7289436 is a wasteful number, since it uses less digits than its factorization.

7289436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 46 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 7289436 is about 2699.8955535354. The cubic root of 7289436 is about 193.8941215576.

The spelling of 7289436 in words is "seven million, two hundred eighty-nine thousand, four hundred thirty-six".