38450404 has 24 divisors (see below), whose sum is σ = 70270200. Its totient is φ = 18385920.

The previous prime is 38450383. The next prime is 38450407. The reversal of 38450404 is 40405483.

It can be written as a sum of positive squares in 4 ways, for example, as 20793600 + 17656804 = 4560^2 + 4202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38450407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11124 + ... + 14164.

It is an arithmetic number, because the mean of its divisors is an integer number (2927925).

Almost surely, 2^38450404 is an apocalyptic number.

It is an amenable number.

38450404 is a deficient number, since it is larger than the sum of its proper divisors (31819796).

38450404 is a wasteful number, since it uses less digits than its factorization.

38450404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183 (or 3181 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 38450404 is about 6200.8389754936. The cubic root of 38450404 is about 337.5206140130.

Adding to 38450404 its reverse (40405483), we get a palindrome (78855887).

The spelling of 38450404 in words is "thirty-eight million, four hundred fifty thousand, four hundred four".