38621611 has 8 divisors (see below), whose sum is σ = 45165824. Its totient is φ = 32334120.

The previous prime is 38621587. The next prime is 38621641. The reversal of 38621611 is 11612683.

38621611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38621611 - 2¹⁵ = 38588843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38621611.

It is not an unprimeable number, because it can be changed into a prime (38621641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63855 + ... + 64456.

It is an arithmetic number, because the mean of its divisors is an integer number (5645728).

Almost surely, 2^38621611 is an apocalyptic number.

38621611 is a deficient number, since it is larger than the sum of its proper divisors (6544213).

38621611 is a wasteful number, since it uses less digits than its factorization.

38621611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128361.

The product of its digits is 1728, while the sum is 28.

The square root of 38621611 is about 6214.6287902014. The cubic root of 38621611 is about 338.0208284026.

The spelling of 38621611 in words is "thirty-eight million, six hundred twenty-one thousand, six hundred eleven".