61384 has 8 divisors (see below), whose sum is σ = 115110. Its totient is φ = 30688.
The previous prime is 61381. The next prime is 61403. The reversal of 61384 is 48316.
It can be written as a sum of positive squares in only one way, i.e., 49284 + 12100 = 222^2 + 110^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is not an unprimeable number, because it can be changed into a prime (61381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3829 + ... + 3844.
261384 is an apocalyptic number.
It is an amenable number.
61384 is a deficient number, since it is larger than the sum of its proper divisors (53726).
61384 is a wasteful number, since it uses less digits than its factorization.
61384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7679 (or 7675 counting only the distinct ones).
The product of its digits is 576, while the sum is 22.
The square root of 61384 is about 247.7579463912. The cubic root of 61384 is about 39.4474010142.
The spelling of 61384 in words is "sixty-one thousand, three hundred eighty-four".
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