3228290 has 32 divisors (see below), whose sum is σ = 6592320. Its totient is φ = 1128384.

The previous prime is 3228259. The next prime is 3228293. The reversal of 3228290 is 928223.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (3228293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1817 + ... + 3123.

It is an arithmetic number, because the mean of its divisors is an integer number (206010).

Almost surely, 2^3228290 is an apocalyptic number.

3228290 is an abundant number, since it is smaller than the sum of its proper divisors (3364030).

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

3228290 is a wasteful number, since it uses less digits than its factorization.

3228290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3228290 is about 1796.7442778537. The cubic root of 3228290 is about 147.7942417111.

The spelling of 3228290 in words is "three million, two hundred twenty-eight thousand, two hundred ninety".