38903434 has 4 divisors (see below), whose sum is σ = 58355154. Its totient is φ = 19451716.

The previous prime is 38903411. The next prime is 38903437. The reversal of 38903434 is 43430983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 12924025 = 5097^2 + 3595^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 38903434.

It is not an unprimeable number, because it can be changed into a prime (38903437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9725857 + ... + 9725860.

Almost surely, 2^38903434 is an apocalyptic number.

38903434 is a deficient number, since it is larger than the sum of its proper divisors (19451720).

38903434 is a wasteful number, since it uses less digits than its factorization.

38903434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19451719.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 38903434 is about 6237.2617389364. The cubic root of 38903434 is about 338.8410191913.

The spelling of 38903434 in words is "thirty-eight million, nine hundred three thousand, four hundred thirty-four".