328749562 has 8 divisors (see below), whose sum is σ = 505151892. Its totient is φ = 160365600.

The previous prime is 328749523. The next prime is 328749581. The reversal of 328749562 is 265947823.

It can be written as a sum of positive squares in 2 ways, for example, as 207331201 + 121418361 = 14399^2 + 11019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004489 + ... + 2004652.

Almost surely, 2^328749562 is an apocalyptic number.

328749562 is a deficient number, since it is larger than the sum of its proper divisors (176402330).

328749562 is a wasteful number, since it uses less digits than its factorization.

328749562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009184.

The product of its digits is 725760, while the sum is 46.

The square root of 328749562 is about 18131.4522860139. The cubic root of 328749562 is about 690.1683843058.

It can be divided in two parts, 32874 and 9562, that added together give a square (42436 = 206²).

The spelling of 328749562 in words is "three hundred twenty-eight million, seven hundred forty-nine thousand, five hundred sixty-two".