38149434 has 32 divisors (see below), whose sum is σ = 86849280. Its totient is φ = 12405600.

The previous prime is 38149429. The next prime is 38149439. The reversal of 38149434 is 43494183.

It is an interprime number because it is at equal distance from previous prime (38149429) and next prime (38149439).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38149439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6402 + ... + 10829.

It is an arithmetic number, because the mean of its divisors is an integer number (2714040).

Almost surely, 2^38149434 is an apocalyptic number.

38149434 is an abundant number, since it is smaller than the sum of its proper divisors (48699846).

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

38149434 is a wasteful number, since it uses less digits than its factorization.

38149434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17283 (or 17277 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 38149434 is about 6176.5228081826. The cubic root of 38149434 is about 336.6376602573.

It can be divided in two parts, 38149 and 434, that added together give a palindrome (38583).

The spelling of 38149434 in words is "thirty-eight million, one hundred forty-nine thousand, four hundred thirty-four".