39540395 has 16 divisors (see below), whose sum is σ = 48919680. Its totient is φ = 30664704.

The previous prime is 39540373. The next prime is 39540409. The reversal of 39540395 is 59304593.

It is a cyclic number.

It is not a de Polignac number, because 39540395 - 2⁶ = 39540331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25811 + ... + 27299.

It is an arithmetic number, because the mean of its divisors is an integer number (3057480).

Almost surely, 2^39540395 is an apocalyptic number.

39540395 is a deficient number, since it is larger than the sum of its proper divisors (9379285).

39540395 is a wasteful number, since it uses less digits than its factorization.

39540395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 39540395 is about 6288.1153774402. The cubic root of 39540395 is about 340.6802844363.

The spelling of 39540395 in words is "thirty-nine million, five hundred forty thousand, three hundred ninety-five".