10428538 has 4 divisors (see below), whose sum is σ = 15642810. Its totient is φ = 5214268.

The previous prime is 10428533. The next prime is 10428547. The reversal of 10428538 is 83582401.

10428538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83582401 = 7 ⋅11940343.

It can be written as a sum of positive squares in only one way, i.e., 10195249 + 233289 = 3193^2 + 483^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10428533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607133 + ... + 2607136.

Almost surely, 2^10428538 is an apocalyptic number.

10428538 is a deficient number, since it is larger than the sum of its proper divisors (5214272).

10428538 is an equidigital number, since it uses as much as digits as its factorization.

10428538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214271.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 10428538 is about 3229.3246972084. The cubic root of 10428538 is about 218.4780492064.

The spelling of 10428538 in words is "ten million, four hundred twenty-eight thousand, five hundred thirty-eight".