39290005 has 8 divisors (see below), whose sum is σ = 49629600. Its totient is φ = 29777616.

The previous prime is 39289997. The next prime is 39290011. The reversal of 39290005 is 50009293.

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 39290005 - 2³ = 39289997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206695 + ... + 206884.

It is an arithmetic number, because the mean of its divisors is an integer number (6203700).

Almost surely, 2^39290005 is an apocalyptic number.

It is an amenable number.

39290005 is a deficient number, since it is larger than the sum of its proper divisors (10339595).

39290005 is a wasteful number, since it uses less digits than its factorization.

39290005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413603.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 39290005 is about 6268.1739765262. The cubic root of 39290005 is about 339.9596405381.

Adding to 39290005 its reverse (50009293), we get a palindrome (89299298).

The spelling of 39290005 in words is "thirty-nine million, two hundred ninety thousand, five".