38850000 has 240 divisors, whose sum is σ = 147240576. Its totient is φ = 8640000.

The previous prime is 38849999. The next prime is 38850011. The reversal of 38850000 is 5883.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1049982 + ... + 1050018.

Almost surely, 2^38850000 is an apocalyptic number.

38850000 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 38850000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73620288).

38850000 is an abundant number, since it is smaller than the sum of its proper divisors (108390576).

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

38850000 is an equidigital number, since it uses as much as digits as its factorization.

38850000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 38850000 is about 6232.9768168990. The cubic root of 38850000 is about 338.6858150112.

Adding to 38850000 its reverse (5883), we get a palindrome (38855883).

The spelling of 38850000 in words is "thirty-eight million, eight hundred fifty thousand".