38134404 has 72 divisors (see below), whose sum is σ = 120189888. Its totient is φ = 9904320.

The previous prime is 38134403. The next prime is 38134423. The reversal of 38134404 is 40443183.

It is not an unprimeable number, because it can be changed into a prime (38134403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4107 + ... + 9650.

It is an arithmetic number, because the mean of its divisors is an integer number (1669304).

Almost surely, 2^38134404 is an apocalyptic number.

It is an amenable number.

38134404 is an abundant number, since it is smaller than the sum of its proper divisors (82055484).

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

38134404 is a wasteful number, since it uses less digits than its factorization.

38134404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13785 (or 13780 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 38134404 is about 6175.3059843217. The cubic root of 38134404 is about 336.5934452838.

Adding to 38134404 its reverse (40443183), we get a palindrome (78577587).

The spelling of 38134404 in words is "thirty-eight million, one hundred thirty-four thousand, four hundred four".