10428638 has 8 divisors (see below), whose sum is σ = 17065080. Its totient is φ = 4740280.

The previous prime is 10428631. The next prime is 10428643. The reversal of 10428638 is 83682401.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10428631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236993 + ... + 237036.

It is an arithmetic number, because the mean of its divisors is an integer number (2133135).

Almost surely, 2^10428638 is an apocalyptic number.

10428638 is a deficient number, since it is larger than the sum of its proper divisors (6636442).

10428638 is a wasteful number, since it uses less digits than its factorization.

10428638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474042.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 10428638 is about 3229.3401802845. The cubic root of 10428638 is about 218.4787475380.

The spelling of 10428638 in words is "ten million, four hundred twenty-eight thousand, six hundred thirty-eight".