61938146 has 8 divisors (see below), whose sum is σ = 95067984. Its totient is φ = 30248820.

The previous prime is 61938143. The next prime is 61938161. The reversal of 61938146 is 64183916.

61938146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61938143) 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 3 ways as a sum of consecutive naturals, for example, 360020 + ... + 360191.

It is an arithmetic number, because the mean of its divisors is an integer number (11883498).

Almost surely, 2^61938146 is an apocalyptic number.

61938146 is a deficient number, since it is larger than the sum of its proper divisors (33129838).

61938146 is a wasteful number, since it uses less digits than its factorization.

61938146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720256.

The product of its digits is 31104, while the sum is 38.

The square root of 61938146 is about 7870.0791609742. The cubic root of 61938146 is about 395.6574981270.

The spelling of 61938146 in words is "sixty-one million, nine hundred thirty-eight thousand, one hundred forty-six".