38354472 has 160 divisors (see below), whose sum is σ = 120443400. Its totient is φ = 11321856.

The previous prime is 38354467. The next prime is 38354473. The reversal of 38354472 is 27445383.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23097636 + 15256836 = 4806^2 + 3906^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38354473) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 244218 + ... + 244374.

Almost surely, 2^38354472 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 38354472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60221700).

38354472 is an abundant number, since it is smaller than the sum of its proper divisors (82088928).

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

38354472 is a wasteful number, since it uses less digits than its factorization.

38354472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 204 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 38354472 is about 6193.0987397263. The cubic root of 38354472 is about 337.2396807446.

The spelling of 38354472 in words is "thirty-eight million, three hundred fifty-four thousand, four hundred seventy-two".