38158884 has 48 divisors (see below), whose sum is σ = 99691200. Its totient is φ = 12621888.

The previous prime is 38158873. The next prime is 38158889. The reversal of 38158884 is 48885183.

It is a super-2 number, since 2×38158884² = 2912200856250912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38158889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13507 + ... + 16085.

It is an arithmetic number, because the mean of its divisors is an integer number (2076900).

Almost surely, 2^38158884 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 38158884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49845600).

38158884 is an abundant number, since it is smaller than the sum of its proper divisors (61532316).

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

38158884 is a wasteful number, since it uses less digits than its factorization.

38158884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729 (or 2721 counting only the distinct ones).

The product of its digits is 245760, while the sum is 45.

The square root of 38158884 is about 6177.2877543466. The cubic root of 38158884 is about 336.6654541450.

The spelling of 38158884 in words is "thirty-eight million, one hundred fifty-eight thousand, eight hundred eighty-four".