3640330936 has 32 divisors (see below), whose sum is σ = 7448454000. Its totient is φ = 1654179840.

The previous prime is 3640330913. The next prime is 3640330943. The reversal of 3640330936 is 6390330463.

It is a junction number, because it is equal to n+sod(n) for n = 3640330895 and 3640330904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520390 + ... + 527338.

Almost surely, 2^3640330936 is an apocalyptic number.

It is an amenable number.

3640330936 is an abundant number, since it is smaller than the sum of its proper divisors (3808123064).

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

3640330936 is a wasteful number, since it uses less digits than its factorization.

3640330936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12919 (or 12915 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 37.

The square root of 3640330936 is about 60335.1550590533. The cubic root of 3640330936 is about 1538.3209529480.

The spelling of 3640330936 in words is "three billion, six hundred forty million, three hundred thirty thousand, nine hundred thirty-six".