328701450 has 192 divisors, whose sum is σ = 1028505600. Its totient is φ = 67488000.

The previous prime is 328701437. The next prime is 328701467. The reversal of 328701450 is 54107823.

328701450 = 2028² + 2029² + ... + 2104².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1720855 + ... + 1721045.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800).

Almost surely, 2^328701450 is an apocalyptic number.

328701450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328701450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514252800).

328701450 is an abundant number, since it is smaller than the sum of its proper divisors (699804150).

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

328701450 is a wasteful number, since it uses less digits than its factorization.

328701450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 328701450 is about 18130.1254821912. The cubic root of 328701450 is about 690.1347142976.

The spelling of 328701450 in words is "three hundred twenty-eight million, seven hundred one thousand, four hundred fifty".