3628661406 has 16 divisors (see below), whose sum is σ = 7257942144. Its totient is φ = 1209450584.

The previous prime is 3628661371. The next prime is 3628661411. The reversal of 3628661406 is 6041668263.

It is a super-3 number, since 3×3628661406³ (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, 91111 + ... + 124733.

It is an arithmetic number, because the mean of its divisors is an integer number (453621384).

Almost surely, 2^3628661406 is an apocalyptic number.

3628661406 is an abundant number, since it is smaller than the sum of its proper divisors (3629280738).

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

3628661406 is a wasteful number, since it uses less digits than its factorization.

3628661406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51615.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 3628661406 is about 60238.3715417341. The cubic root of 3628661406 is about 1536.6754341790.

The spelling of 3628661406 in words is "three billion, six hundred twenty-eight million, six hundred sixty-one thousand, four hundred six".