38984450 has 18 divisors (see below), whose sum is σ = 72593289. Its totient is φ = 15576120.

The previous prime is 38984377. The next prime is 38984459. The reversal of 38984450 is 5448983.

It can be written as a sum of positive squares in 2 ways, for example, as 38204761 + 779689 = 6181^2 + 883^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4415.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38984398 and 38984407.

It is not an unprimeable number, because it can be changed into a prime (38984459) 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 8 ways as a sum of consecutive naturals, for example, 43709 + ... + 44591.

Almost surely, 2^38984450 is an apocalyptic number.

38984450 is a deficient number, since it is larger than the sum of its proper divisors (33608839).

38984450 is an frugal number, since it uses more digits than its factorization.

38984450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 38984450 is about 6243.7528778772. The cubic root of 38984450 is about 339.0760670808.

The spelling of 38984450 in words is "thirty-eight million, nine hundred eighty-four thousand, four hundred fifty".