39445875 has 48 divisors (see below), whose sum is σ = 81282240. Its totient is φ = 18028800.

The previous prime is 39445841. The next prime is 39445907. The reversal of 39445875 is 57854493.

It is not a de Polignac number, because 39445875 - 2⁹ = 39445363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 39445875.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5371 + ... + 10379.

It is an arithmetic number, because the mean of its divisors is an integer number (1693380).

Almost surely, 2^39445875 is an apocalyptic number.

39445875 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39445875 is an abundant number, since it is smaller than the sum of its proper divisors (41836365).

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

39445875 is a wasteful number, since it uses less digits than its factorization.

39445875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037 (or 5024 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 39445875 is about 6280.5951151145. The cubic root of 39445875 is about 340.4086062098.

The spelling of 39445875 in words is "thirty-nine million, four hundred forty-five thousand, eight hundred seventy-five".