39995395 has 8 divisors (see below), whose sum is σ = 52357680. Its totient is φ = 29087520.

The previous prime is 39995393. The next prime is 39995401. The reversal of 39995395 is 59359993.

It is a happy number.

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

It is not a de Polignac number, because 39995395 - 2¹ = 39995393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39995393) 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, 363540 + ... + 363649.

It is an arithmetic number, because the mean of its divisors is an integer number (6544710).

Almost surely, 2^39995395 is an apocalyptic number.

39995395 is a deficient number, since it is larger than the sum of its proper divisors (12362285).

39995395 is a wasteful number, since it uses less digits than its factorization.

39995395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727205.

The product of its digits is 1476225, while the sum is 52.

The square root of 39995395 is about 6324.1912526425. The cubic root of 39995395 is about 341.9820647663.

The spelling of 39995395 in words is "thirty-nine million, nine hundred ninety-five thousand, three hundred ninety-five".