38934839 has 8 divisors (see below), whose sum is σ = 39892608. Its totient is φ = 37988280.

The previous prime is 38934829. The next prime is 38934887. The reversal of 38934839 is 93843983.

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

It is a cyclic number.

It is not a de Polignac number, because 38934839 - 2²⁴ = 22157623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38934793 and 38934802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38934829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4454 + ... + 9884.

It is an arithmetic number, because the mean of its divisors is an integer number (4986576).

Almost surely, 2^38934839 is an apocalyptic number.

38934839 is a deficient number, since it is larger than the sum of its proper divisors (957769).

38934839 is a wasteful number, since it uses less digits than its factorization.

38934839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605.

The product of its digits is 559872, while the sum is 47.

The square root of 38934839 is about 6239.7787621037. The cubic root of 38934839 is about 338.9321717279.

The spelling of 38934839 in words is "thirty-eight million, nine hundred thirty-four thousand, eight hundred thirty-nine".