3425688 has 72 divisors (see below), whose sum is σ = 10803780. Its totient is φ = 977760.

The previous prime is 3425663. The next prime is 3425693. The reversal of 3425688 is 8865243.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 3 + 4¹⁰ + 2²¹ + 5 + 6⁷ + 8 + 8 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3043 + ... + 4013.

Almost surely, 2^3425688 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 3425688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5401890).

3425688 is an abundant number, since it is smaller than the sum of its proper divisors (7378092).

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

3425688 is a wasteful number, since it uses less digits than its factorization.

3425688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 983 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 3425688 is about 1850.8614210686. The cubic root of 3425688 is about 150.7472050504.

The spelling of 3425688 in words is "three million, four hundred twenty-five thousand, six hundred eighty-eight".