38028505 has 8 divisors (see below), whose sum is σ = 45735552. Its totient is φ = 30355248.

The previous prime is 38028493. The next prime is 38028521. The reversal of 38028505 is 50582083.

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 38028505 - 2²⁵ = 4474073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5899 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (5716944).

Almost surely, 2^38028505 is an apocalyptic number.

It is an amenable number.

38028505 is a deficient number, since it is larger than the sum of its proper divisors (7707047).

38028505 is a wasteful number, since it uses less digits than its factorization.

38028505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16895.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 38028505 is about 6166.7256303487. The cubic root of 38028505 is about 336.2815837996.

The spelling of 38028505 in words is "thirty-eight million, twenty-eight thousand, five hundred five".