38428079 has 4 divisors (see below), whose sum is σ = 38704680. Its totient is φ = 38151480.

The previous prime is 38428073. The next prime is 38428081. The reversal of 38428079 is 97082483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38428079 - 2⁴ = 38428063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38428073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138092 + ... + 138369.

It is an arithmetic number, because the mean of its divisors is an integer number (9676170).

Almost surely, 2^38428079 is an apocalyptic number.

38428079 is a deficient number, since it is larger than the sum of its proper divisors (276601).

38428079 is a wasteful number, since it uses less digits than its factorization.

38428079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276600.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 38428079 is about 6199.0385544857. The cubic root of 38428079 is about 337.4552778418.

The spelling of 38428079 in words is "thirty-eight million, four hundred twenty-eight thousand, seventy-nine".