6240909 has 8 divisors (see below), whose sum is σ = 8478432. Its totient is φ = 4082000.

The previous prime is 6240893. The next prime is 6240917. The reversal of 6240909 is 9090426.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6240909 - 2⁴ = 6240893 is a prime.

6240909 is a modest number, since divided by 909 gives 624 as remainder.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19467 + ... + 19784.

It is an arithmetic number, because the mean of its divisors is an integer number (1059804).

Almost surely, 2^6240909 is an apocalyptic number.

It is an amenable number.

6240909 is a deficient number, since it is larger than the sum of its proper divisors (2237523).

6240909 is a wasteful number, since it uses less digits than its factorization.

6240909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39307.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6240909 is about 2498.1811383485. The cubic root of 6240909 is about 184.1122208468.

The spelling of 6240909 in words is "six million, two hundred forty thousand, nine hundred nine".