6279642 has 48 divisors (see below), whose sum is σ = 14257152. Its totient is φ = 1995840.

The previous prime is 6279629. The next prime is 6279643. The reversal of 6279642 is 2469726.

It is a happy number.

6279642 is a `hidden beast` number, since 6 + 2 + 7 + 9 + 642 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6279597 and 6279606.

It is not an unprimeable number, because it can be changed into a prime (6279643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49383 + ... + 49509.

It is an arithmetic number, because the mean of its divisors is an integer number (297024).

Almost surely, 2^6279642 is an apocalyptic number.

6279642 is an abundant number, since it is smaller than the sum of its proper divisors (7977510).

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

6279642 is a wasteful number, since it uses less digits than its factorization.

6279642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 240 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 6279642 is about 2505.9213874342. The cubic root of 6279642 is about 184.4923212703.

The spelling of 6279642 in words is "six million, two hundred seventy-nine thousand, six hundred forty-two".