39471799 has 4 divisors (see below), whose sum is σ = 39589264. Its totient is φ = 39354336.

The previous prime is 39471791. The next prime is 39471821. The reversal of 39471799 is 99717493.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39471799 - 2³ = 39471791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39471791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58227 + ... + 58900.

It is an arithmetic number, because the mean of its divisors is an integer number (9897316).

Almost surely, 2^39471799 is an apocalyptic number.

39471799 is a deficient number, since it is larger than the sum of its proper divisors (117465).

39471799 is a wasteful number, since it uses less digits than its factorization.

39471799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117464.

The product of its digits is 428652, while the sum is 49.

The square root of 39471799 is about 6282.6585933027. The cubic root of 39471799 is about 340.4831625497.

The spelling of 39471799 in words is "thirty-nine million, four hundred seventy-one thousand, seven hundred ninety-nine".