61848239 has 8 divisors (see below), whose sum is σ = 62527248. Its totient is φ = 61172800.

The previous prime is 61848229. The next prime is 61848251. The reversal of 61848239 is 93284816.

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

It is a cyclic number.

It is not a de Polignac number, because 61848239 - 2⁴ = 61848223 is a prime.

It is a super-2 number, since 2×61848239² = 7650409334802242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61848196 and 61848205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61848209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46889 + ... + 48189.

It is an arithmetic number, because the mean of its divisors is an integer number (7815906).

Almost surely, 2^61848239 is an apocalyptic number.

61848239 is a deficient number, since it is larger than the sum of its proper divisors (679009).

61848239 is a wasteful number, since it uses less digits than its factorization.

61848239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its digits is 82944, while the sum is 41.

The square root of 61848239 is about 7864.3651364875. The cubic root of 61848239 is about 395.4659650858.

The spelling of 61848239 in words is "sixty-one million, eight hundred forty-eight thousand, two hundred thirty-nine".