38921266 has 8 divisors (see below), whose sum is σ = 58468464. Its totient is φ = 19431780.

The previous prime is 38921263. The next prime is 38921269. The reversal of 38921266 is 66212983.

It is an interprime number because it is at equal distance from previous prime (38921263) and next prime (38921269).

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

It is not an unprimeable number, because it can be changed into a prime (38921261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12700 + ... + 15463.

It is an arithmetic number, because the mean of its divisors is an integer number (7308558).

Almost surely, 2^38921266 is an apocalyptic number.

38921266 is a deficient number, since it is larger than the sum of its proper divisors (19547198).

38921266 is a wasteful number, since it uses less digits than its factorization.

38921266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28856.

The product of its digits is 31104, while the sum is 37.

The square root of 38921266 is about 6238.6910486095. The cubic root of 38921266 is about 338.8927823176.

The spelling of 38921266 in words is "thirty-eight million, nine hundred twenty-one thousand, two hundred sixty-six".