39899448 has 48 divisors (see below), whose sum is σ = 108440280. Its totient is φ = 13253184.

The previous prime is 39899443. The next prime is 39899477. The reversal of 39899448 is 84499893.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 39899394 and 39899403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39899443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24186 + ... + 25782.

Almost surely, 2^39899448 is an apocalyptic number.

It is an amenable number.

39899448 is an abundant number, since it is smaller than the sum of its proper divisors (68540832).

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

39899448 is a wasteful number, since it uses less digits than its factorization.

39899448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1949 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 39899448 is about 6316.6009847069. The cubic root of 39899448 is about 341.7083797046.

The spelling of 39899448 in words is "thirty-nine million, eight hundred ninety-nine thousand, four hundred forty-eight".