38206818 has 96 divisors (see below), whose sum is σ = 96445440. Its totient is φ = 10834560.

The previous prime is 38206783. The next prime is 38206823. The reversal of 38206818 is 81860283.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166728 + ... + 166956.

It is an arithmetic number, because the mean of its divisors is an integer number (1004640).

Almost surely, 2^38206818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38206818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48222720).

38206818 is an abundant number, since it is smaller than the sum of its proper divisors (58238622).

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

38206818 is a wasteful number, since it uses less digits than its factorization.

38206818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 38206818 is about 6181.1663947834. The cubic root of 38206818 is about 336.8063647069.

The spelling of 38206818 in words is "thirty-eight million, two hundred six thousand, eight hundred eighteen".