38708433 has 6 divisors (see below), whose sum is σ = 55912194. Its totient is φ = 25805616.

The previous prime is 38708413. The next prime is 38708437. The reversal of 38708433 is 33480783.

It can be written as a sum of positive squares in only one way, i.e., 30603024 + 8105409 = 5532^2 + 2847^2 .

It is a de Polignac number, because none of the positive numbers 2^k-38708433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38708437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2150460 + ... + 2150477.

It is an arithmetic number, because the mean of its divisors is an integer number (9318699).

Almost surely, 2^38708433 is an apocalyptic number.

It is an amenable number.

38708433 is a deficient number, since it is larger than the sum of its proper divisors (17203761).

38708433 is a wasteful number, since it uses less digits than its factorization.

38708433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300943 (or 4300940 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 38708433 is about 6221.6101613650. The cubic root of 38708433 is about 338.2739309162.

The spelling of 38708433 in words is "thirty-eight million, seven hundred eight thousand, four hundred thirty-three".