61804884 has 12 divisors (see below), whose sum is σ = 144211424. Its totient is φ = 20601624.

The previous prime is 61804879. The next prime is 61804903. The reversal of 61804884 is 48840816.

61804884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 2575192 + ... + 2575215.

Almost surely, 2^61804884 is an apocalyptic number.

It is an amenable number.

61804884 is an abundant number, since it is smaller than the sum of its proper divisors (82406540).

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

61804884 is a wasteful number, since it uses less digits than its factorization.

61804884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150414 (or 5150412 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 61804884 is about 7861.6082324166. The cubic root of 61804884 is about 395.3735375836.

The spelling of 61804884 in words is "sixty-one million, eight hundred four thousand, eight hundred eighty-four".