61896488 has 16 divisors (see below), whose sum is σ = 116196000. Its totient is φ = 30910896.

The previous prime is 61896431. The next prime is 61896529. The reversal of 61896488 is 88469816.

It is a happy number.

61896488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 3143 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (7262250).

Almost surely, 2^61896488 is an apocalyptic number.

It is an amenable number.

61896488 is a deficient number, since it is larger than the sum of its proper divisors (54299512).

61896488 is a wasteful number, since it uses less digits than its factorization.

61896488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9344 (or 9340 counting only the distinct ones).

The product of its digits is 663552, while the sum is 50.

The square root of 61896488 is about 7867.4321096531. The cubic root of 61896488 is about 395.5687752225.

The spelling of 61896488 in words is "sixty-one million, eight hundred ninety-six thousand, four hundred eighty-eight".