39955488 has 48 divisors (see below), whose sum is σ = 106618176. Its totient is φ = 13098240.

The previous prime is 39955483. The next prime is 39955493. The reversal of 39955488 is 88455993.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (39955483) and next prime (39955493).

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 39955488.

It is not an unprimeable number, because it can be changed into a prime (39955483) 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, 2445 + ... + 9267.

It is an arithmetic number, because the mean of its divisors is an integer number (2221212).

Almost surely, 2^39955488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39955488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53309088).

39955488 is an abundant number, since it is smaller than the sum of its proper divisors (66662688).

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

39955488 is a wasteful number, since it uses less digits than its factorization.

39955488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6889 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The square root of 39955488 is about 6321.0353582305. The cubic root of 39955488 is about 341.8682848350.

The spelling of 39955488 in words is "thirty-nine million, nine hundred fifty-five thousand, four hundred eighty-eight".