61839606 has 16 divisors (see below), whose sum is σ = 127669248. Its totient is φ = 19948200.

The previous prime is 61839587. The next prime is 61839607. The reversal of 61839606 is 60693816.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61839607) 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 in 7 ways as a sum of consecutive naturals, for example, 166050 + ... + 166421.

It is an arithmetic number, because the mean of its divisors is an integer number (7979328).

Almost surely, 2^61839606 is an apocalyptic number.

61839606 is an abundant number, since it is smaller than the sum of its proper divisors (65829642).

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

61839606 is a wasteful number, since it uses less digits than its factorization.

61839606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332507.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 61839606 is about 7863.8162491248. The cubic root of 61839606 is about 395.4475640416.

The spelling of 61839606 in words is "sixty-one million, eight hundred thirty-nine thousand, six hundred six".