328749000 has 64 divisors (see below), whose sum is σ = 1025706240. Its totient is φ = 87665600.

The previous prime is 328748993. The next prime is 328749131. The reversal of 328749000 is 947823.

It is a super-5 number, since 5×328749000⁵ (a number of 44 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51792 + ... + 57791.

It is an arithmetic number, because the mean of its divisors is an integer number (16026660).

Almost surely, 2^328749000 is an apocalyptic number.

328749000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328749000 is an abundant number, since it is smaller than the sum of its proper divisors (696957240).

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

328749000 is a wasteful number, since it uses less digits than its factorization.

328749000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109607 (or 109593 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 328749000 is about 18131.4367880761. The cubic root of 328749000 is about 690.1679910228.

The spelling of 328749000 in words is "three hundred twenty-eight million, seven hundred forty-nine thousand".