38028439 has 8 divisors (see below), whose sum is σ = 40322880. Its totient is φ = 35740416.

The previous prime is 38028421. The next prime is 38028451. The reversal of 38028439 is 93482083.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38028439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38028398 and 38028407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38028539) 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, 16587 + ... + 18739.

It is an arithmetic number, because the mean of its divisors is an integer number (5040360).

Almost surely, 2^38028439 is an apocalyptic number.

38028439 is a deficient number, since it is larger than the sum of its proper divisors (2294441).

38028439 is a wasteful number, since it uses less digits than its factorization.

38028439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 38028439 is about 6166.7202790462. The cubic root of 38028439 is about 336.2813892561.

The spelling of 38028439 in words is "thirty-eight million, twenty-eight thousand, four hundred thirty-nine".