38749158 has 64 divisors (see below), whose sum is σ = 102712320. Its totient is φ = 10587456.

The previous prime is 38749147. The next prime is 38749159. The reversal of 38749158 is 85194783.

It is a super-4 number, since 4×38749158⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38749159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6466 + ... + 10922.

It is an arithmetic number, because the mean of its divisors is an integer number (1604880).

Almost surely, 2^38749158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38749158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51356160).

38749158 is an abundant number, since it is smaller than the sum of its proper divisors (63963162).

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

38749158 is a wasteful number, since it uses less digits than its factorization.

38749158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498 (or 4492 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 38749158 is about 6224.8821675595. The cubic root of 38749158 is about 338.3925215892.

The spelling of 38749158 in words is "thirty-eight million, seven hundred forty-nine thousand, one hundred fifty-eight".