38455800 has 96 divisors (see below), whose sum is σ = 120528000. Its totient is φ = 10142080.

The previous prime is 38455783. The next prime is 38455811. The reversal of 38455800 is 855483.

It is a happy number.

38455800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 63901 + ... + 64499.

It is an arithmetic number, because the mean of its divisors is an integer number (1255500).

Almost surely, 2^38455800 is an apocalyptic number.

38455800 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38455800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60264000).

38455800 is an abundant number, since it is smaller than the sum of its proper divisors (82072200).

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

38455800 is a wasteful number, since it uses less digits than its factorization.

38455800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 716 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 38455800 is about 6201.2740626423. The cubic root of 38455800 is about 337.5364021093.

The spelling of 38455800 in words is "thirty-eight million, four hundred fifty-five thousand, eight hundred".