328361400 has 72 divisors (see below), whose sum is σ = 1102753080. Its totient is φ = 87562560.

The previous prime is 328361399. The next prime is 328361417. The reversal of 328361400 is 4163823.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 89412 + ... + 93011.

It is an arithmetic number, because the mean of its divisors is an integer number (15316015).

Almost surely, 2^328361400 is an apocalyptic number.

328361400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

328361400 is an abundant number, since it is smaller than the sum of its proper divisors (774391680).

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

328361400 is a wasteful number, since it uses less digits than its factorization.

328361400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182445 (or 182433 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 328361400 is about 18120.7450177966. The cubic root of 328361400 is about 689.8966448847.

The spelling of 328361400 in words is "three hundred twenty-eight million, three hundred sixty-one thousand, four hundred".