3690738820 has 24 divisors (see below), whose sum is σ = 7939591128. Its totient is φ = 1440288000.

The previous prime is 3690738787. The next prime is 3690738841. The reversal of 3690738820 is 288370963.

It can be written as a sum of positive squares in 4 ways, for example, as 105842944 + 3584895876 = 10288^2 + 59874^2 .

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, 2249631 + ... + 2251270.

It is an arithmetic number, because the mean of its divisors is an integer number (330816297).

Almost surely, 2^3690738820 is an apocalyptic number.

It is an amenable number.

3690738820 is an abundant number, since it is smaller than the sum of its proper divisors (4248852308).

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

3690738820 is a wasteful number, since it uses less digits than its factorization.

3690738820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500951 (or 4500949 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 3690738820 is about 60751.4511760830. The cubic root of 3690738820 is about 1545.3888374517.

The spelling of 3690738820 in words is "three billion, six hundred ninety million, seven hundred thirty-eight thousand, eight hundred twenty".