10390428 has 36 divisors (see below), whose sum is σ = 26371800. Its totient is φ = 3449376.

The previous prime is 10390423. The next prime is 10390459. The reversal of 10390428 is 82409301.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10390423) 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 11 ways as a sum of consecutive naturals, for example, 12151 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (732550).

Almost surely, 2^10390428 is an apocalyptic number.

10390428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10390428 is an abundant number, since it is smaller than the sum of its proper divisors (15981372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10390428 is a wasteful number, since it uses less digits than its factorization.

10390428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10390428 is about 3223.4186820827. The cubic root of 10390428 is about 218.2115893087.

Adding to 10390428 its reverse (82409301), we get a palindrome (92799729).

The spelling of 10390428 in words is "ten million, three hundred ninety thousand, four hundred twenty-eight".