38620434 has 8 divisors (see below), whose sum is σ = 77240880. Its totient is φ = 12873476.

The previous prime is 38620429. The next prime is 38620441. The reversal of 38620434 is 43402683.

It is a sphenic number, since it is the product of 3 distinct primes.

38620434 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3218364 + ... + 3218375.

It is an arithmetic number, because the mean of its divisors is an integer number (9655110).

Almost surely, 2^38620434 is an apocalyptic number.

38620434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

38620434 is a wasteful number, since it uses less digits than its factorization.

38620434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436744.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 38620434 is about 6214.5340935584. The cubic root of 38620434 is about 338.0173946208.

The spelling of 38620434 in words is "thirty-eight million, six hundred twenty thousand, four hundred thirty-four".