7636436 has 6 divisors (see below), whose sum is σ = 13363770. Its totient is φ = 3818216.

The previous prime is 7636411. The next prime is 7636441. The reversal of 7636436 is 6346367.

It can be written as a sum of positive squares in only one way, i.e., 6300100 + 1336336 = 2510^2 + 1156^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7636396 and 7636405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 954551 + ... + 954558.

It is an arithmetic number, because the mean of its divisors is an integer number (2227295).

Almost surely, 2^7636436 is an apocalyptic number.

It is an amenable number.

7636436 is a deficient number, since it is larger than the sum of its proper divisors (5727334).

7636436 is a wasteful number, since it uses less digits than its factorization.

7636436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909113 (or 1909111 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The square root of 7636436 is about 2763.4102120387. The cubic root of 7636436 is about 196.9232095258.

The spelling of 7636436 in words is "seven million, six hundred thirty-six thousand, four hundred thirty-six".