19948085 has 8 divisors (see below), whose sum is σ = 24763320. Its totient is φ = 15408064.

The previous prime is 19948073. The next prime is 19948091. The reversal of 19948085 is 58084991.

It can be written as a sum of positive squares in 4 ways, for example, as 3964081 + 15984004 = 1991^2 + 3998^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19948085 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68642 + ... + 68931.

It is an arithmetic number, because the mean of its divisors is an integer number (3095415).

Almost surely, 2^19948085 is an apocalyptic number.

It is an amenable number.

19948085 is a deficient number, since it is larger than the sum of its proper divisors (4815235).

19948085 is a wasteful number, since it uses less digits than its factorization.

19948085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137607.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 19948085 is about 4466.3279100397. The cubic root of 19948085 is about 271.2066931647.

It can be divided in two parts, 199 and 48085, that added together give a palindrome (48284).

The spelling of 19948085 in words is "nineteen million, nine hundred forty-eight thousand, eighty-five".