328761430 has 16 divisors (see below), whose sum is σ = 593425440. Its totient is φ = 131136832.

The previous prime is 328761403. The next prime is 328761437. The reversal of 328761430 is 34167823.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328761437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42199 + ... + 49378.

It is an arithmetic number, because the mean of its divisors is an integer number (37089090).

Almost surely, 2^328761430 is an apocalyptic number.

328761430 is a deficient number, since it is larger than the sum of its proper divisors (264664010).

328761430 is a wasteful number, since it uses less digits than its factorization.

328761430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91943.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 328761430 is about 18131.7795596571. The cubic root of 328761430 is about 690.1766893306.

The spelling of 328761430 in words is "three hundred twenty-eight million, seven hundred sixty-one thousand, four hundred thirty".