436806340 has 48 divisors (see below), whose sum is σ = 964841472. Its totient is φ = 165787776.

The previous prime is 436806289. The next prime is 436806353. The reversal of 436806340 is 43608634.

It is a junction number, because it is equal to n+sod(n) for n = 436806296 and 436806305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54682 + ... + 62158.

It is an arithmetic number, because the mean of its divisors is an integer number (20100864).

Almost surely, 2^436806340 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 436806340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482420736).

436806340 is an abundant number, since it is smaller than the sum of its proper divisors (528035132).

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

436806340 is a wasteful number, since it uses less digits than its factorization.

436806340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7636 (or 7634 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 436806340 is about 20899.9124400080. The cubic root of 436806340 is about 758.7458192536.

The spelling of 436806340 in words is "four hundred thirty-six million, eight hundred six thousand, three hundred forty".