6209428 has 12 divisors (see below), whose sum is σ = 11438560. Its totient is φ = 2941272.

The previous prime is 6209419. The next prime is 6209429. The reversal of 6209428 is 8249026.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6209428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6209429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40776 + ... + 40927.

Almost surely, 2^6209428 is an apocalyptic number.

It is an amenable number.

6209428 is a deficient number, since it is larger than the sum of its proper divisors (5229132).

6209428 is a wasteful number, since it uses less digits than its factorization.

6209428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81726 (or 81724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6209428 is about 2491.8723883859. The cubic root of 6209428 is about 183.8021266029.

The spelling of 6209428 in words is "six million, two hundred nine thousand, four hundred twenty-eight".