328614993 has 12 divisors (see below), whose sum is σ = 542475648. Its totient is φ = 187779960.

The previous prime is 328614989. The next prime is 328615003. The reversal of 328614993 is 399416823.

It is a happy number.

328614993 is a `hidden beast` number, since 3 + 28 + 614 + 9 + 9 + 3 = 666.

It is not a de Polignac number, because 328614993 - 2² = 328614989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (328614943) 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, 2607993 + ... + 2608118.

It is an arithmetic number, because the mean of its divisors is an integer number (45206304).

Almost surely, 2^328614993 is an apocalyptic number.

It is an amenable number.

328614993 is a deficient number, since it is larger than the sum of its proper divisors (213860655).

328614993 is a wasteful number, since it uses less digits than its factorization.

328614993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5216124 (or 5216121 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 328614993 is about 18127.7409789527. The cubic root of 328614993 is about 690.0742012200.

The spelling of 328614993 in words is "three hundred twenty-eight million, six hundred fourteen thousand, nine hundred ninety-three".