39064993 has 4 divisors (see below), whose sum is σ = 42616368. Its totient is φ = 35513620.

The previous prime is 39064939. The next prime is 39065009. The reversal of 39064993 is 39946093.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-39064993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39064093) 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, 1775671 + ... + 1775692.

It is an arithmetic number, because the mean of its divisors is an integer number (10654092).

Almost surely, 2^39064993 is an apocalyptic number.

It is an amenable number.

39064993 is a deficient number, since it is larger than the sum of its proper divisors (3551375).

39064993 is a wasteful number, since it uses less digits than its factorization.

39064993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551374.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 39064993 is about 6250.1994368180. The cubic root of 39064993 is about 339.3094201001.

The spelling of 39064993 in words is "thirty-nine million, sixty-four thousand, nine hundred ninety-three".