3498390 has 80 divisors (see below), whose sum is σ = 10768032. Its totient is φ = 798336.

The previous prime is 3498377. The next prime is 3498403. The reversal of 3498390 is 938943.

3498390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3498377) and next prime (3498403).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5362 + ... + 5978.

Almost surely, 2^3498390 is an apocalyptic number.

3498390 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 3498390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5384016).

3498390 is an abundant number, since it is smaller than the sum of its proper divisors (7269642).

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

3498390 is a wasteful number, since it uses less digits than its factorization.

3498390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3498390 is about 1870.3983532927. The cubic root of 3498390 is about 151.8061645077.

The spelling of 3498390 in words is "three million, four hundred ninety-eight thousand, three hundred ninety".