10305438 has 32 divisors (see below), whose sum is σ = 24216192. Its totient is φ = 2882400.

The previous prime is 10305433. The next prime is 10305439. The reversal of 10305438 is 83450301.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5148 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

Almost surely, 2^10305438 is an apocalyptic number.

10305438 is an abundant number, since it is smaller than the sum of its proper divisors (13910754).

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

10305438 is a wasteful number, since it uses less digits than its factorization.

10305438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 10305438 is about 3210.2084044498. The cubic root of 10305438 is about 217.6149953397.

Adding to 10305438 its reverse (83450301), we get a palindrome (93755739).

The spelling of 10305438 in words is "ten million, three hundred five thousand, four hundred thirty-eight".