38428611 has 16 divisors (see below), whose sum is σ = 55303584. Its totient is φ = 23595264.

The previous prime is 38428573. The next prime is 38428631. The reversal of 38428611 is 11682483.

It is not a de Polignac number, because 38428611 - 2⁹ = 38428099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38428631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23265 + ... + 24861.

It is an arithmetic number, because the mean of its divisors is an integer number (3456474).

Almost surely, 2^38428611 is an apocalyptic number.

38428611 is a deficient number, since it is larger than the sum of its proper divisors (16874973).

38428611 is a wasteful number, since it uses less digits than its factorization.

38428611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its digits is 9216, while the sum is 33.

The square root of 38428611 is about 6199.0814642171. The cubic root of 38428611 is about 337.4568350832.

The spelling of 38428611 in words is "thirty-eight million, four hundred twenty-eight thousand, six hundred eleven".