3996534690 has 24 divisors (see below), whose sum is σ = 10390990428. Its totient is φ = 1065742560.

The previous prime is 3996534673. The next prime is 3996534697. The reversal of 3996534690 is 964356993.

It can be written as a sum of positive squares in 2 ways, for example, as 3954271689 + 42263001 = 62883^2 + 6501^2 .

It is a super-2 number, since 2×3996534690² = 31944579056746792200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3996534697) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22202881 + ... + 22203060.

Almost surely, 2^3996534690 is an apocalyptic number.

3996534690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3996534690 is an abundant number, since it is smaller than the sum of its proper divisors (6394455738).

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

3996534690 is a wasteful number, since it uses less digits than its factorization.

3996534690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44405954 (or 44405951 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 54.

The square root of 3996534690 is about 63218.1515863917. The cubic root of 3996534690 is about 1586.9425164671.

The spelling of 3996534690 in words is "three billion, nine hundred ninety-six million, five hundred thirty-four thousand, six hundred ninety".