7235406 has 40 divisors (see below), whose sum is σ = 16509240. Its totient is φ = 2367792.

The previous prime is 7235383. The next prime is 7235419. The reversal of 7235406 is 6045327.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 7235406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9180 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (412731).

Almost surely, 2^7235406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7235406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8254620).

7235406 is an abundant number, since it is smaller than the sum of its proper divisors (9273834).

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

7235406 is a wasteful number, since it uses less digits than its factorization.

7235406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7235406 is about 2689.8710006244. The cubic root of 7235406 is about 193.4138791088.

The spelling of 7235406 in words is "seven million, two hundred thirty-five thousand, four hundred six".