3665804992 has 28 divisors (see below), whose sum is σ = 7397633160. Its totient is φ = 1801834496.

The previous prime is 3665804983. The next prime is 3665804993. The reversal of 3665804992 is 2994085663.

It is not an unprimeable number, because it can be changed into a prime (3665804993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481633 + ... + 489184.

Almost surely, 2^3665804992 is an apocalyptic number.

3665804992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3665804992 is an abundant number, since it is smaller than the sum of its proper divisors (3731828168).

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

3665804992 is an equidigital number, since it uses as much as digits as its factorization.

3665804992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970888 (or 970878 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The square root of 3665804992 is about 60545.8916194980. The cubic root of 3665804992 is about 1541.9008674452.

The spelling of 3665804992 in words is "three billion, six hundred sixty-five million, eight hundred four thousand, nine hundred ninety-two".