3218490 has 48 divisors (see below), whose sum is σ = 9131616. Its totient is φ = 780000.

The previous prime is 3218483. The next prime is 3218503. The reversal of 3218490 is 948123.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (190242).

Almost surely, 2^3218490 is an apocalyptic number.

3218490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3218490 is an abundant number, since it is smaller than the sum of its proper divisors (5913126).

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

3218490 is a wasteful number, since it uses less digits than its factorization.

3218490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3218490 is about 1794.0150501041. The cubic root of 3218490 is about 147.6445389637.

The spelling of 3218490 in words is "three million, two hundred eighteen thousand, four hundred ninety".