39380081 has 8 divisors (see below), whose sum is σ = 43128960. Its totient is φ = 35734032.

The previous prime is 39380053. The next prime is 39380083. The reversal of 39380081 is 18008393.

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

It is a cyclic number.

It is not a de Polignac number, because 39380081 - 2¹⁰ = 39379057 is a prime.

It is a super-2 number, since 2×39380081² = 3101581559133122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39380083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24905 + ... + 26438.

It is an arithmetic number, because the mean of its divisors is an integer number (5391120).

Almost surely, 2^39380081 is an apocalyptic number.

It is an amenable number.

39380081 is a deficient number, since it is larger than the sum of its proper divisors (3748879).

39380081 is a wasteful number, since it uses less digits than its factorization.

39380081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51415.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 39380081 is about 6275.3550497163. The cubic root of 39380081 is about 340.2192386464.

The spelling of 39380081 in words is "thirty-nine million, three hundred eighty thousand, eighty-one".