39471393 has 8 divisors (see below), whose sum is σ = 56676928. Its totient is φ = 24290064.

The previous prime is 39471391. The next prime is 39471403. The reversal of 39471393 is 39317493.

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

It is not a de Polignac number, because 39471393 - 2¹ = 39471391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1012087 = 39471393 / (3 + 9 + 4 + 7 + 1 + 3 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39471391) 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, 506005 + ... + 506082.

It is an arithmetic number, because the mean of its divisors is an integer number (7084616).

Almost surely, 2^39471393 is an apocalyptic number.

It is an amenable number.

39471393 is a deficient number, since it is larger than the sum of its proper divisors (17205535).

39471393 is a wasteful number, since it uses less digits than its factorization.

39471393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012103.

The product of its digits is 61236, while the sum is 39.

The square root of 39471393 is about 6282.6262820575. The cubic root of 39471393 is about 340.4819951623.

The spelling of 39471393 in words is "thirty-nine million, four hundred seventy-one thousand, three hundred ninety-three".