3401424 has 120 divisors (see below), whose sum is σ = 10832640.
Its totient is φ = 988416.
The previous prime is 3401417. The next prime is 3401443. The reversal of 3401424 is 4241043.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 3401397 and 3401406.
It is a congruent 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, 43017 + ... + 43095.
It is an arithmetic number, because the mean of its divisors is an integer number (90272).
Almost surely, 23401424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 3401424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5416320).
3401424 is an abundant number, since it is smaller than the sum of its proper divisors (7431216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3401424 is a wasteful number, since it uses less digits than its factorization.
3401424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 129 (or 120 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 18.
The square root of 3401424 is about 1844.2949872512.
The cubic root of 3401424 is about 150.3904494464.
Adding to 3401424 its reverse (4241043), we get a palindrome (7642467).
It can be divided in two parts, 340 and 1424, that added together give a square (1764 = 422).
The spelling of 3401424 in words is "three million, four hundred one thousand, four hundred twenty-four".