39300081 has 4 divisors (see below), whose sum is σ = 52400112. Its totient is φ = 26200052.

The previous prime is 39300067. The next prime is 39300101. The reversal of 39300081 is 18000393.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39300081 - 2¹⁵ = 39267313 is a prime.

It is a super-2 number, since 2×39300081² = 3088992733213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39300881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6550011 + ... + 6550016.

It is an arithmetic number, because the mean of its divisors is an integer number (13100028).

Almost surely, 2^39300081 is an apocalyptic number.

It is an amenable number.

39300081 is a deficient number, since it is larger than the sum of its proper divisors (13100031).

39300081 is a wasteful number, since it uses less digits than its factorization.

39300081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13100030.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 39300081 is about 6268.9776678498. The cubic root of 39300081 is about 339.9886991630.

The spelling of 39300081 in words is "thirty-nine million, three hundred thousand, eighty-one".