38921395 has 8 divisors (see below), whose sum is σ = 46828080. Its totient is φ = 31055520.

The previous prime is 38921387. The next prime is 38921401. The reversal of 38921395 is 59312983.

38921395 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 38921395 - 2³ = 38921387 is a prime.

It is an unprimeable number.

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, 8061 + ... + 11950.

It is an arithmetic number, because the mean of its divisors is an integer number (5853510).

Almost surely, 2^38921395 is an apocalyptic number.

38921395 is a deficient number, since it is larger than the sum of its proper divisors (7906685).

38921395 is a wasteful number, since it uses less digits than its factorization.

38921395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20405.

The product of its digits is 58320, while the sum is 40.

The square root of 38921395 is about 6238.7013873081. The cubic root of 38921395 is about 338.8931567241.

The spelling of 38921395 in words is "thirty-eight million, nine hundred twenty-one thousand, three hundred ninety-five".