10390028 has 18 divisors (see below), whose sum is σ = 19986708. Its totient is φ = 4722520.

The previous prime is 10390027. The next prime is 10390049. The reversal of 10390028 is 82009301.

It is a junction number, because it is equal to n+sod(n) for n = 10389985 and 10390012.

It is not an unprimeable number, because it can be changed into a prime (10390027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10250 + ... + 11217.

Almost surely, 2^10390028 is an apocalyptic number.

It is an amenable number.

10390028 is a deficient number, since it is larger than the sum of its proper divisors (9596680).

10390028 is a wasteful number, since it uses less digits than its factorization.

10390028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21493 (or 21480 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10390028 is about 3223.3566355587. The cubic root of 10390028 is about 218.2087891111.

Adding to 10390028 its reverse (82009301), we get a palindrome (92399329).

The spelling of 10390028 in words is "ten million, three hundred ninety thousand, twenty-eight".