61983426 has 16 divisors (see below), whose sum is σ = 125713728. Its totient is φ = 20370000.

The previous prime is 61983421. The next prime is 61983433. The reversal of 61983426 is 62438916.

61983426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61983421) 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 in 7 ways as a sum of consecutive naturals, for example, 72325 + ... + 73176.

It is an arithmetic number, because the mean of its divisors is an integer number (7857108).

Almost surely, 2^61983426 is an apocalyptic number.

61983426 is an abundant number, since it is smaller than the sum of its proper divisors (63730302).

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

61983426 is a wasteful number, since it uses less digits than its factorization.

61983426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145577.

The product of its digits is 62208, while the sum is 39.

The square root of 61983426 is about 7872.9553536140. The cubic root of 61983426 is about 395.7538900316.

The spelling of 61983426 in words is "sixty-one million, nine hundred eighty-three thousand, four hundred twenty-six".