39955700 has 18 divisors (see below), whose sum is σ = 86704086. Its totient is φ = 15982240.

The previous prime is 39955681. The next prime is 39955703. The reversal of 39955700 is 755993.

39955700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 164836 + 39790864 = 406^2 + 6308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39955703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199679 + ... + 199878.

Almost surely, 2^39955700 is an apocalyptic number.

It is an amenable number.

39955700 is an abundant number, since it is smaller than the sum of its proper divisors (46748386).

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

39955700 is a wasteful number, since it uses less digits than its factorization.

39955700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399571 (or 399564 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 38.

The square root of 39955700 is about 6321.0521276129. The cubic root of 39955700 is about 341.8688894741.

The spelling of 39955700 in words is "thirty-nine million, nine hundred fifty-five thousand, seven hundred".