3690436 has 12 divisors (see below), whose sum is σ = 6496812. Its totient is φ = 1834208.

The previous prime is 3690397. The next prime is 3690437. The reversal of 3690436 is 6340963.

3690436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3572100 + 118336 = 1890^2 + 344^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3690398 and 3690407.

It is not an unprimeable number, because it can be changed into a prime (3690437) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1975 + ... + 3358.

It is an arithmetic number, because the mean of its divisors is an integer number (541401).

Almost surely, 2^3690436 is an apocalyptic number.

It is an amenable number.

3690436 is a deficient number, since it is larger than the sum of its proper divisors (2806376).

3690436 is a wasteful number, since it uses less digits than its factorization.

3690436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510 (or 5508 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 3690436 is about 1921.0507541447. The cubic root of 3690436 is about 154.5346570626.

The spelling of 3690436 in words is "three million, six hundred ninety thousand, four hundred thirty-six".