6209404 has 6 divisors (see below), whose sum is σ = 10866464. Its totient is φ = 3104700.

The previous prime is 6209383. The next prime is 6209407. The reversal of 6209404 is 4049026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6209407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776172 + ... + 776179.

Almost surely, 2^6209404 is an apocalyptic number.

It is an amenable number.

6209404 is a deficient number, since it is larger than the sum of its proper divisors (4657060).

6209404 is a wasteful number, since it uses less digits than its factorization.

6209404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1552355 (or 1552353 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6209404 is about 2491.8675727253. The cubic root of 6209404 is about 183.8018897987.

It can be divided in two parts, 620940 and 4, that added together give a square (620944 = 788²).

The spelling of 6209404 in words is "six million, two hundred nine thousand, four hundred four".