6245406 has 24 divisors (see below), whose sum is σ = 13848120. Its totient is φ = 2033136.

The previous prime is 6245401. The next prime is 6245413. The reversal of 6245406 is 6045426.

It is a happy number.

It is a super-2 number, since 2×6245406² = 78010192209672, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6245406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6245401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3261 + ... + 4808.

It is an arithmetic number, because the mean of its divisors is an integer number (577005).

Almost surely, 2^6245406 is an apocalyptic number.

6245406 is an abundant number, since it is smaller than the sum of its proper divisors (7602714).

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

6245406 is a wasteful number, since it uses less digits than its factorization.

6245406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8120 (or 8117 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 6245406 is about 2499.0810310992. The cubic root of 6245406 is about 184.1564320277.

The spelling of 6245406 in words is "six million, two hundred forty-five thousand, four hundred six".