326408616 has 40 divisors (see below), whose sum is σ = 914248170. Its totient is φ = 108802656.

The previous prime is 326408611. The next prime is 326408627. The reversal of 326408616 is 616804623.

326408616 is a `hidden beast` number, since 3 + 2 + 640 + 8 + 6 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 294259716 + 32148900 = 17154^2 + 5670^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (326408611) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 251211 + ... + 252506.

Almost surely, 2^326408616 is an apocalyptic number.

326408616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

326408616 is an abundant number, since it is smaller than the sum of its proper divisors (587839554).

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

326408616 is a wasteful number, since it uses less digits than its factorization.

326408616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503735 (or 503722 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 326408616 is about 18066.7821152523. The cubic root of 326408616 is about 688.5263065404.

The spelling of 326408616 in words is "three hundred twenty-six million, four hundred eight thousand, six hundred sixteen".