38454912 has 80 divisors (see below), whose sum is σ = 114472050. Its totient is φ = 12814848.

The previous prime is 38454907. The next prime is 38454931. The reversal of 38454912 is 21945483.

It can be written as a sum of positive squares in only one way, i.e., 35712576 + 2742336 = 5976^2 + 1656^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8514 + ... + 12222.

Almost surely, 2^38454912 is an apocalyptic number.

38454912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38454912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57236025).

38454912 is an abundant number, since it is smaller than the sum of its proper divisors (76017138).

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

38454912 is an equidigital number, since it uses as much as digits as its factorization.

38454912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735 (or 3714 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 38454912 is about 6201.2024640387. The cubic root of 38454912 is about 337.5338040215.

The spelling of 38454912 in words is "thirty-eight million, four hundred fifty-four thousand, nine hundred twelve".