38250784 has 72 divisors (see below), whose sum is σ = 89096112. Its totient is φ = 16024320.

The previous prime is 38250767. The next prime is 38250847. The reversal of 38250784 is 48705283.

It is a super-2 number, since 2×38250784² = 2926244953229312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59167 + ... + 59809.

It is an arithmetic number, because the mean of its divisors is an integer number (1237446).

Almost surely, 2^38250784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38250784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44548056).

38250784 is an abundant number, since it is smaller than the sum of its proper divisors (50845328).

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

38250784 is a wasteful number, since it uses less digits than its factorization.

38250784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 38250784 is about 6184.7218207451. The cubic root of 38250784 is about 336.9355070344.

The spelling of 38250784 in words is "thirty-eight million, two hundred fifty thousand, seven hundred eighty-four".