3236693906 has 12 divisors (see below), whose sum is σ = 5075309022. Its totient is φ = 1547983536.

The previous prime is 3236693819. The next prime is 3236693951. The reversal of 3236693906 is 6093966323.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1647954025 + 1588739881 = 40595^2 + 39859^2 .

It is a super-2 number, since 2×3236693906² = 20952374882275073672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1528571 + ... + 1530686.

Almost surely, 2^3236693906 is an apocalyptic number.

3236693906 is a deficient number, since it is larger than the sum of its proper divisors (1838615116).

3236693906 is a wasteful number, since it uses less digits than its factorization.

3236693906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059305 (or 3059282 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 47.

The square root of 3236693906 is about 56891.9493953231. The cubic root of 3236693906 is about 1479.2237690551.

The spelling of 3236693906 in words is "three billion, two hundred thirty-six million, six hundred ninety-three thousand, nine hundred six".