3220698 has 32 divisors (see below), whose sum is σ = 7007616. Its totient is φ = 980928.

The previous prime is 3220681. The next prime is 3220699. The reversal of 3220698 is 8960223.

It is not an unprimeable number, because it can be changed into a prime (3220699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12115 + ... + 12377.

It is an arithmetic number, because the mean of its divisors is an integer number (218988).

Almost surely, 2^3220698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3220698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3503808).

3220698 is an abundant number, since it is smaller than the sum of its proper divisors (3786918).

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

3220698 is a wasteful number, since it uses less digits than its factorization.

3220698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3220698 is about 1794.6303240501. The cubic root of 3220698 is about 147.6782944019.

The spelling of 3220698 in words is "three million, two hundred twenty thousand, six hundred ninety-eight".