6261642 has 24 divisors (see below), whose sum is σ = 13634244. Its totient is φ = 2076864.

The previous prime is 6261637. The next prime is 6261649. The reversal of 6261642 is 2461626.

It is a happy number.

6261642 is a `hidden beast` number, since 6 + 2 + 616 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6245001 + 16641 = 2499^2 + 129^2 .

It is not an unprimeable number, because it can be changed into a prime (6261649) 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 11 ways as a sum of consecutive naturals, for example, 3448 + ... + 4940.

Almost surely, 2^6261642 is an apocalyptic number.

6261642 is an abundant number, since it is smaller than the sum of its proper divisors (7372602).

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

6261642 is a wasteful number, since it uses less digits than its factorization.

6261642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 1731 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6261642 is about 2502.3273167194. The cubic root of 6261642 is about 184.3158759770.

It can be divided in two parts, 6261 and 642, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 6261642 in words is "six million, two hundred sixty-one thousand, six hundred forty-two".