38313198 has 108 divisors (see below), whose sum is σ = 106437240. Its totient is φ = 9923760.

The previous prime is 38313161. The next prime is 38313203. The reversal of 38313198 is 89131383.

38313198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38313198² = 2935802281974408, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 106543 + ... + 106901.

It is an arithmetic number, because the mean of its divisors is an integer number (985530).

Almost surely, 2^38313198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38313198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53218620).

38313198 is an abundant number, since it is smaller than the sum of its proper divisors (68124042).

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

38313198 is a wasteful number, since it uses less digits than its factorization.

38313198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 382 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 38313198 is about 6189.7655852221. The cubic root of 38313198 is about 337.1186672464.

It can be divided in two parts, 38 and 313198, that added together give a triangular number (313236 = T₇₉₁).

The spelling of 38313198 in words is "thirty-eight million, three hundred thirteen thousand, one hundred ninety-eight".