38169828 has 72 divisors (see below), whose sum is σ = 104412672. Its totient is φ = 11711232.

The previous prime is 38169799. The next prime is 38169839. The reversal of 38169828 is 82896183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28101 + ... + 29427.

It is an arithmetic number, because the mean of its divisors is an integer number (1450176).

Almost surely, 2^38169828 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 38169828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52206336).

38169828 is an abundant number, since it is smaller than the sum of its proper divisors (66242844).

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

38169828 is a wasteful number, since it uses less digits than its factorization.

38169828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401 (or 1396 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 38169828 is about 6178.1735165015. The cubic root of 38169828 is about 336.6976363803.

The spelling of 38169828 in words is "thirty-eight million, one hundred sixty-nine thousand, eight hundred twenty-eight".