38009404 has 6 divisors (see below), whose sum is σ = 66516464. Its totient is φ = 19004700.

The previous prime is 38009381. The next prime is 38009423. The reversal of 38009404 is 40490083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4751172 + ... + 4751179.

Almost surely, 2^38009404 is an apocalyptic number.

It is an amenable number.

38009404 is a deficient number, since it is larger than the sum of its proper divisors (28507060).

38009404 is a wasteful number, since it uses less digits than its factorization.

38009404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9502355 (or 9502353 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 38009404 is about 6165.1767209059. The cubic root of 38009404 is about 336.2252717405.

Adding to 38009404 its reverse (40490083), we get a palindrome (78499487).

The spelling of 38009404 in words is "thirty-eight million, nine thousand, four hundred four".