38209856 has 28 divisors (see below), whose sum is σ = 78272640. Its totient is φ = 18487680.

The previous prime is 38209823. The next prime is 38209859. The reversal of 38209856 is 65890283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38209859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7646 + ... + 11613.

Almost surely, 2^38209856 is an apocalyptic number.

It is an amenable number.

38209856 is an abundant number, since it is smaller than the sum of its proper divisors (40062784).

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

38209856 is a wasteful number, since it uses less digits than its factorization.

38209856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19302 (or 19292 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 38209856 is about 6181.4121363973. The cubic root of 38209856 is about 336.8152914785.

The spelling of 38209856 in words is "thirty-eight million, two hundred nine thousand, eight hundred fifty-six".