3213491346 has 128 divisors (see below), whose sum is σ = 7904494080. Its totient is φ = 961632000.

The previous prime is 3213491339. The next prime is 3213491353. The reversal of 3213491346 is 6431943123.

It is an interprime number because it is at equal distance from previous prime (3213491339) and next prime (3213491353).

It is a self number, because there is not a number n which added to its sum of digits gives 3213491346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4324651 + ... + 4325393.

It is an arithmetic number, because the mean of its divisors is an integer number (61753860).

Almost surely, 2^3213491346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213491346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3952247040).

3213491346 is an abundant number, since it is smaller than the sum of its proper divisors (4691002734).

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

3213491346 is a wasteful number, since it uses less digits than its factorization.

3213491346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 923 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3213491346 is about 56687.6648487129. The cubic root of 3213491346 is about 1475.6806351800.

The spelling of 3213491346 in words is "three billion, two hundred thirteen million, four hundred ninety-one thousand, three hundred forty-six".