3291396 has 12 divisors (see below), whose sum is σ = 7679952. Its totient is φ = 1097128.

The previous prime is 3291391. The next prime is 3291401. The reversal of 3291396 is 6931923.

It is an interprime number because it is at equal distance from previous prime (3291391) and next prime (3291401).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3291391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137130 + ... + 137153.

It is an arithmetic number, because the mean of its divisors is an integer number (639996).

Almost surely, 2^3291396 is an apocalyptic number.

It is an amenable number.

3291396 is an abundant number, since it is smaller than the sum of its proper divisors (4388556).

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

3291396 is a wasteful number, since it uses less digits than its factorization.

3291396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274290 (or 274288 counting only the distinct ones).

The product of its digits is 8748, while the sum is 33.

The square root of 3291396 is about 1814.2204937658. The cubic root of 3291396 is about 148.7510519428.

The spelling of 3291396 in words is "three million, two hundred ninety-one thousand, three hundred ninety-six".