7399836 has 72 divisors (see below), whose sum is σ = 20302464. Its totient is φ = 2352240.

The previous prime is 7399831. The next prime is 7399837. The reversal of 7399836 is 6389937.

It is a happy number.

7399836 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 7399791 and 7399800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7399831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22191 + ... + 22521.

Almost surely, 2^7399836 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 7399836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10151232).

7399836 is an abundant number, since it is smaller than the sum of its proper divisors (12902628).

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

7399836 is a wasteful number, since it uses less digits than its factorization.

7399836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 359 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 7399836 is about 2720.2639577806. The cubic root of 7399836 is about 194.8680764502.

The spelling of 7399836 in words is "seven million, three hundred ninety-nine thousand, eight hundred thirty-six".