326516 has 6 divisors (see below), whose sum is σ = 571410. Its totient is φ = 163256.

The previous prime is 326503. The next prime is 326537. The reversal of 326516 is 615623.

It can be written as a sum of positive squares in only one way, i.e., 306916 + 19600 = 554^2 + 140^2 .

It is a super-2 number, since 2×326516² = 213225396512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 326491 and 326500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40811 + ... + 40818.

It is an arithmetic number, because the mean of its divisors is an integer number (95235).

2³²⁶⁵¹⁶ is an apocalyptic number.

It is an amenable number.

326516 is a deficient number, since it is larger than the sum of its proper divisors (244894).

326516 is a wasteful number, since it uses less digits than its factorization.

326516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81633 (or 81631 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 326516 is about 571.4157855712. The cubic root of 326516 is about 68.8601803529.

The spelling of 326516 in words is "three hundred twenty-six thousand, five hundred sixteen".