39493506 has 16 divisors (see below), whose sum is σ = 85063104. Its totient is φ = 12151824.

The previous prime is 39493463. The next prime is 39493577. The reversal of 39493506 is 60539493.

39493506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253086 + ... + 253241.

It is an arithmetic number, because the mean of its divisors is an integer number (5316444).

Almost surely, 2^39493506 is an apocalyptic number.

39493506 is an abundant number, since it is smaller than the sum of its proper divisors (45569598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39493506 is a wasteful number, since it uses less digits than its factorization.

39493506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506345.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 39493506 is about 6284.3858888518. The cubic root of 39493506 is about 340.5455658670.

The spelling of 39493506 in words is "thirty-nine million, four hundred ninety-three thousand, five hundred six".