158893938 has 48 divisors (see below), whose sum is σ = 395491200. Its totient is φ = 45163008.

The previous prime is 158893937. The next prime is 158893939. The reversal of 158893938 is 839398851.

158893938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158893937) and next prime (158893939).

It is not an unprimeable number, because it can be changed into a prime (158893937) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21906 + ... + 28242.

It is an arithmetic number, because the mean of its divisors is an integer number (8239400).

Almost surely, 2^158893938 is an apocalyptic number.

158893938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 158893938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197745600).

158893938 is an abundant number, since it is smaller than the sum of its proper divisors (236597262).

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

158893938 is a wasteful number, since it uses less digits than its factorization.

158893938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551 (or 6548 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 54.

The square root of 158893938 is about 12605.3138794716. The cubic root of 158893938 is about 541.6296653647.

The spelling of 158893938 in words is "one hundred fifty-eight million, eight hundred ninety-three thousand, nine hundred thirty-eight".