6904249 has 4 divisors (see below), whose sum is σ = 7531920. Its totient is φ = 6276580.

The previous prime is 6904241. The next prime is 6904279. The reversal of 6904249 is 9424096.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6904249 - 2³ = 6904241 is a prime.

6904249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6904241) 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 3 ways as a sum of consecutive naturals, for example, 313819 + ... + 313840.

It is an arithmetic number, because the mean of its divisors is an integer number (1882980).

Almost surely, 2^6904249 is an apocalyptic number.

It is an amenable number.

6904249 is a deficient number, since it is larger than the sum of its proper divisors (627671).

6904249 is a wasteful number, since it uses less digits than its factorization.

6904249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627670.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 6904249 is about 2627.5937661671. The cubic root of 6904249 is about 190.4168962155.

The spelling of 6904249 in words is "six million, nine hundred four thousand, two hundred forty-nine".