38907288 has 192 divisors, whose sum is σ = 134784000. Its totient is φ = 9870336.

The previous prime is 38907277. The next prime is 38907289. The reversal of 38907288 is 88270983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38907289) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162673 + ... + 162911.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^38907288 is an apocalyptic number.

38907288 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 38907288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67392000).

38907288 is an abundant number, since it is smaller than the sum of its proper divisors (95876712).

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

38907288 is a wasteful number, since it uses less digits than its factorization.

38907288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 38907288 is about 6237.5706809623. The cubic root of 38907288 is about 338.8522080079.

The spelling of 38907288 in words is "thirty-eight million, nine hundred seven thousand, two hundred eighty-eight".