3621576996 has 36 divisors (see below), whose sum is σ = 9291182992. Its totient is φ = 1189173744.

The previous prime is 3621576991. The next prime is 3621577007. The reversal of 3621576996 is 6996751263.

3621576996 is a `hidden beast` number, since 3 + 62 + 1 + 576 + 9 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3621576991) 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, 748330 + ... + 753153.

Almost surely, 2^3621576996 is an apocalyptic number.

3621576996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3621576996 is an abundant number, since it is smaller than the sum of its proper divisors (5669605996).

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

3621576996 is a wasteful number, since it uses less digits than its factorization.

3621576996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501560 (or 1501555 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 3621576996 is about 60179.5396791966. The cubic root of 3621576996 is about 1535.6747409027.

The spelling of 3621576996 in words is "three billion, six hundred twenty-one million, five hundred seventy-six thousand, nine hundred ninety-six".