39494847 has 8 divisors (see below), whose sum is σ = 60182656. Its totient is φ = 22568472.

The previous prime is 39494843. The next prime is 39494857. The reversal of 39494847 is 74849493.

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

It is not a de Polignac number, because 39494847 - 2² = 39494843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39494796 and 39494805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494843) 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, 940333 + ... + 940374.

It is an arithmetic number, because the mean of its divisors is an integer number (7522832).

Almost surely, 2^39494847 is an apocalyptic number.

39494847 is a deficient number, since it is larger than the sum of its proper divisors (20687809).

39494847 is a wasteful number, since it uses less digits than its factorization.

39494847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880717.

The product of its digits is 870912, while the sum is 48.

The square root of 39494847 is about 6284.4925809488. The cubic root of 39494847 is about 340.5494202258.

The spelling of 39494847 in words is "thirty-nine million, four hundred ninety-four thousand, eight hundred forty-seven".