38540208 has 80 divisors (see below), whose sum is σ = 119793920. Its totient is φ = 10430208.

The previous prime is 38540167. The next prime is 38540213. The reversal of 38540208 is 80204583.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3366 + ... + 9402.

It is an arithmetic number, because the mean of its divisors is an integer number (1497424).

Almost surely, 2^38540208 is an apocalyptic number.

38540208 is a gapful number since it is divisible by the number (38) 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 38540208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59896960).

38540208 is an abundant number, since it is smaller than the sum of its proper divisors (81253712).

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

38540208 is a wasteful number, since it uses less digits than its factorization.

38540208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6074 (or 6068 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 38540208 is about 6208.0760304623. The cubic root of 38540208 is about 337.7831785199.

The spelling of 38540208 in words is "thirty-eight million, five hundred forty thousand, two hundred eight".