328369428 has 72 divisors (see below), whose sum is σ = 842307648. Its totient is φ = 107854848.

The previous prime is 328369427. The next prime is 328369429. The reversal of 328369428 is 824963823.

It is an interprime number because it is at equal distance from previous prime (328369427) and next prime (328369429).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (497664) is a multiple of the sum of its prime divisors (648).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328369421) 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 23 ways as a sum of consecutive naturals, for example, 1160175 + ... + 1160457.

Almost surely, 2^328369428 is an apocalyptic number.

It is an amenable number.

328369428 is an abundant number, since it is smaller than the sum of its proper divisors (513938220).

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

328369428 is a wasteful number, since it uses less digits than its factorization.

328369428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653 (or 648 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 328369428 is about 18120.9665305138. The cubic root of 328369428 is about 689.9022671910.

The spelling of 328369428 in words is "three hundred twenty-eight million, three hundred sixty-nine thousand, four hundred twenty-eight".