61586898 has 8 divisors (see below), whose sum is σ = 123173808. Its totient is φ = 20528964.

The previous prime is 61586887. The next prime is 61586909. The reversal of 61586898 is 89868516.

It is an interprime number because it is at equal distance from previous prime (61586887) and next prime (61586909).

It is a sphenic number, since it is the product of 3 distinct primes.

61586898 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 61586898.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5132236 + ... + 5132247.

It is an arithmetic number, because the mean of its divisors is an integer number (15396726).

Almost surely, 2^61586898 is an apocalyptic number.

61586898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61586898 is a wasteful number, since it uses less digits than its factorization.

61586898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10264488.

The product of its digits is 829440, while the sum is 51.

The square root of 61586898 is about 7847.7320290642. The cubic root of 61586898 is about 394.9081621669.

The spelling of 61586898 in words is "sixty-one million, five hundred eighty-six thousand, eight hundred ninety-eight".