61489484 has 24 divisors (see below), whose sum is σ = 125841408. Its totient is φ = 25739280.

The previous prime is 61489481. The next prime is 61489499. The reversal of 61489484 is 48498416.

It is not an unprimeable number, because it can be changed into a prime (61489481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24332 + ... + 26739.

It is an arithmetic number, because the mean of its divisors is an integer number (5243392).

Almost surely, 2^61489484 is an apocalyptic number.

It is an amenable number.

61489484 is an abundant number, since it is smaller than the sum of its proper divisors (64351924).

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

61489484 is a wasteful number, since it uses less digits than its factorization.

61489484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51125 (or 51123 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 61489484 is about 7841.5230663437. The cubic root of 61489484 is about 394.6998392624.

The spelling of 61489484 in words is "sixty-one million, four hundred eighty-nine thousand, four hundred eighty-four".