61388046 has 12 divisors (see below), whose sum is σ = 133007472. Its totient is φ = 20462676.

The previous prime is 61388039. The next prime is 61388051. The reversal of 61388046 is 64088316.

It is a happy number.

61388046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61388046.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1705206 + ... + 1705241.

It is an arithmetic number, because the mean of its divisors is an integer number (11083956).

Almost surely, 2^61388046 is an apocalyptic number.

61388046 is an abundant number, since it is smaller than the sum of its proper divisors (71619426).

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

61388046 is a wasteful number, since it uses less digits than its factorization.

61388046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410455 (or 3410452 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 61388046 is about 7835.0523929327. The cubic root of 61388046 is about 394.4826769321.

The spelling of 61388046 in words is "sixty-one million, three hundred eighty-eight thousand, forty-six".