10309430 has 16 divisors (see below), whose sum is σ = 18782064. Its totient is φ = 4073760.

The previous prime is 10309423. The next prime is 10309433. The reversal of 10309430 is 3490301.

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 (10309433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5381 + ... + 7040.

It is an arithmetic number, because the mean of its divisors is an integer number (1173879).

Almost surely, 2^10309430 is an apocalyptic number.

10309430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10309430 is a deficient number, since it is larger than the sum of its proper divisors (8472634).

10309430 is a wasteful number, since it uses less digits than its factorization.

10309430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12511.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 10309430 is about 3210.8301107346. The cubic root of 10309430 is about 217.6430907625.

Adding to 10309430 its reverse (3490301), we get a palindrome (13799731).

The spelling of 10309430 in words is "ten million, three hundred nine thousand, four hundred thirty".