10428993 has 20 divisors (see below), whose sum is σ = 15681600. Its totient is φ = 6907032.

The previous prime is 10428991. The next prime is 10428997. The reversal of 10428993 is 39982401.

10428993 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10428993 - 2¹ = 10428991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10428991) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15796 + ... + 16442.

It is an arithmetic number, because the mean of its divisors is an integer number (784080).

Almost surely, 2^10428993 is an apocalyptic number.

It is an amenable number.

10428993 is a deficient number, since it is larger than the sum of its proper divisors (5252607).

10428993 is an equidigital number, since it uses as much as digits as its factorization.

10428993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 10428993 is about 3229.3951446053. The cubic root of 10428993 is about 218.4812265794.

The spelling of 10428993 in words is "ten million, four hundred twenty-eight thousand, nine hundred ninety-three".