61839104 has 18 divisors (see below), whose sum is σ = 123437160. Its totient is φ = 30919424.

The previous prime is 61839101. The next prime is 61839109. The reversal of 61839104 is 40193816.

It is a happy number.

61839104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61839101) by changing a digit.

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 as a sum of consecutive naturals, namely, 120524 + ... + 121035.

It is an arithmetic number, because the mean of its divisors is an integer number (6857620).

Almost surely, 2^61839104 is an apocalyptic number.

61839104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

61839104 is a deficient number, since it is larger than the sum of its proper divisors (61598056).

61839104 is an equidigital number, since it uses as much as digits as its factorization.

61839104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241575 (or 241561 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 61839104 is about 7863.7843307151. The cubic root of 61839104 is about 395.4464939873.

The spelling of 61839104 in words is "sixty-one million, eight hundred thirty-nine thousand, one hundred four".