328951994 has 24 divisors (see below), whose sum is σ = 574619508. Its totient is φ = 140824320.

The previous prime is 328951993. The next prime is 328952047. The reversal of 328951994 is 499159823.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 328950769 + 1225 = 18137^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (328951993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157034 + ... + 159114.

Almost surely, 2^328951994 is an apocalyptic number.

328951994 is a deficient number, since it is larger than the sum of its proper divisors (245667514).

328951994 is a wasteful number, since it uses less digits than its factorization.

328951994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3710 (or 3703 counting only the distinct ones).

The product of its digits is 699840, while the sum is 50.

The square root of 328951994 is about 18137.0337707134. The cubic root of 328951994 is about 690.3100154193.

The spelling of 328951994 in words is "three hundred twenty-eight million, nine hundred fifty-one thousand, nine hundred ninety-four".