328499398 has 16 divisors (see below), whose sum is σ = 549195120. Its totient is φ = 146451456.

The previous prime is 328499389. The next prime is 328499407. The reversal of 328499398 is 893994823.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (328499389) and next prime (328499407).

It is a congruent number.

It is an unprimeable number.

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, 253611 + ... + 254902.

It is an arithmetic number, because the mean of its divisors is an integer number (34324695).

Almost surely, 2^328499398 is an apocalyptic number.

328499398 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

328499398 is a deficient number, since it is larger than the sum of its proper divisors (220695722).

328499398 is a wasteful number, since it uses less digits than its factorization.

328499398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508551.

The product of its digits is 3359232, while the sum is 55.

The square root of 328499398 is about 18124.5523530928. The cubic root of 328499398 is about 689.9932772572.

The spelling of 328499398 in words is "three hundred twenty-eight million, four hundred ninety-nine thousand, three hundred ninety-eight".