3621788404 has 24 divisors (see below), whose sum is σ = 7045864448. Its totient is φ = 1617671520.

The previous prime is 3621788383. The next prime is 3621788431. The reversal of 3621788404 is 4048871263.

It is a super-3 number, since 3×3621788404³ (a number of 30 digits) contains 333 as substring.

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, 1121772 + ... + 1124995.

Almost surely, 2^3621788404 is an apocalyptic number.

It is an amenable number.

3621788404 is a deficient number, since it is larger than the sum of its proper divisors (3424076044).

3621788404 is a wasteful number, since it uses less digits than its factorization.

3621788404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246815 (or 2246813 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 3621788404 is about 60181.2961309409. The cubic root of 3621788404 is about 1535.7046217721.

The spelling of 3621788404 in words is "three billion, six hundred twenty-one million, seven hundred eighty-eight thousand, four hundred four".