38740086 has 120 divisors (see below), whose sum is σ = 110158200. Its totient is φ = 10062360.

The previous prime is 38740081. The next prime is 38740087. The reversal of 38740086 is 68004783.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38740086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38740081) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3521821 + ... + 3521831.

It is an arithmetic number, because the mean of its divisors is an integer number (917985).

Almost surely, 2^38740086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38740086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55079100).

38740086 is an abundant number, since it is smaller than the sum of its proper divisors (71418114).

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

38740086 is an equidigital number, since it uses as much as digits as its factorization.

38740086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 38740086 is about 6224.1534364121. The cubic root of 38740086 is about 338.3661112384.

The spelling of 38740086 in words is "thirty-eight million, seven hundred forty thousand, eighty-six".