38428178 has 8 divisors (see below), whose sum is σ = 57672972. Its totient is φ = 19203856.

The previous prime is 38428171. The next prime is 38428183. The reversal of 38428178 is 87182483.

It can be written as a sum of positive squares in 2 ways, for example, as 37246609 + 1181569 = 6103^2 + 1087^2 .

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

It is not an unprimeable number, because it can be changed into a prime (38428171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076 + ... + 8832.

Almost surely, 2^38428178 is an apocalyptic number.

38428178 is a deficient number, since it is larger than the sum of its proper divisors (19244794).

38428178 is a wasteful number, since it uses less digits than its factorization.

38428178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236.

The product of its digits is 86016, while the sum is 41.

The square root of 38428178 is about 6199.0465395898. The cubic root of 38428178 is about 337.4555676303.

The spelling of 38428178 in words is "thirty-eight million, four hundred twenty-eight thousand, one hundred seventy-eight".