327161406 has 64 divisors (see below), whose sum is σ = 776837376. Its totient is φ = 90547200.

The previous prime is 327161371. The next prime is 327161411. The reversal of 327161406 is 604161723.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81261 + ... + 85191.

It is an arithmetic number, because the mean of its divisors is an integer number (12138084).

Almost surely, 2^327161406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 327161406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388418688).

327161406 is an abundant number, since it is smaller than the sum of its proper divisors (449675970).

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

327161406 is a wasteful number, since it uses less digits than its factorization.

327161406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 327161406 is about 18087.6036555427. The cubic root of 327161406 is about 689.0552118675.

The spelling of 327161406 in words is "three hundred twenty-seven million, one hundred sixty-one thousand, four hundred six".