3391290 has 72 divisors (see below), whose sum is σ = 10270260. Its totient is φ = 774144.

The previous prime is 3391237. The next prime is 3391301. The reversal of 3391290 is 921933.

It can be written as a sum of positive squares in 2 ways, for example, as 3337929 + 53361 = 1827^2 + 231^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4026 + ... + 4794.

Almost surely, 2^3391290 is an apocalyptic number.

3391290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3391290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5135130).

3391290 is an abundant number, since it is smaller than the sum of its proper divisors (6878970).

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

3391290 is a wasteful number, since it uses less digits than its factorization.

3391290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 3391290 is about 1841.5455465451. The cubic root of 3391290 is about 150.2409460926.

The spelling of 3391290 in words is "three million, three hundred ninety-one thousand, two hundred ninety".