38355444 has 60 divisors (see below), whose sum is σ = 104648544. Its totient is φ = 12226896.

The previous prime is 38355409. The next prime is 38355481. The reversal of 38355444 is 44455383.

It is a super-2 number, since 2×38355444² = 2942280168874272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 38355399 and 38355408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4879 + ... + 10025.

Almost surely, 2^38355444 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 38355444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52324272).

38355444 is an abundant number, since it is smaller than the sum of its proper divisors (66293100).

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

38355444 is a wasteful number, since it uses less digits than its factorization.

38355444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186 (or 5175 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 38355444 is about 6193.1772136764. The cubic root of 38355444 is about 337.2425295580.

The spelling of 38355444 in words is "thirty-eight million, three hundred fifty-five thousand, four hundred forty-four".