1204506436 has 81 divisors (see below), whose sum is σ = 2558267901. Its totient is φ = 494768736.

The previous prime is 1204506419. The next prime is 1204506439. The reversal of 1204506436 is 6346054021.

The square root of 1204506436 is 34706.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1077808900 + 126697536 = 32830^2 + 11256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1204506398 and 1204506407.

It is not an unprimeable number, because it can be changed into a prime (1204506439) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17977675 + ... + 17977741.

Almost surely, 2^1204506436 is an apocalyptic number.

1204506436 is the 34706-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204506436

1204506436 is an abundant number, since it is smaller than the sum of its proper divisors (1353761465).

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

1204506436 is an equidigital number, since it uses as much as digits as its factorization.

1204506436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The cubic root of 1204506436 is about 1063.9871304999.

The spelling of 1204506436 in words is "one billion, two hundred four million, five hundred six thousand, four hundred thirty-six".