3398406 has 48 divisors (see below), whose sum is σ = 7762944. Its totient is φ = 990000.

The previous prime is 3398401. The next prime is 3398407. The reversal of 3398406 is 6048933.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3398401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22431 + ... + 22581.

It is an arithmetic number, because the mean of its divisors is an integer number (161728).

Almost surely, 2^3398406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3398406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3881472).

3398406 is an abundant number, since it is smaller than the sum of its proper divisors (4364538).

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

3398406 is a wasteful number, since it uses less digits than its factorization.

3398406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3398406 is about 1843.4766068491. The cubic root of 3398406 is about 150.3459570337.

The spelling of 3398406 in words is "three million, three hundred ninety-eight thousand, four hundred six".