1948986 has 24 divisors (see below), whose sum is σ = 4548180. Its totient is φ = 599616.

The previous prime is 1948981. The next prime is 1948987. The reversal of 1948986 is 6898491.

It can be written as a sum of positive squares in 2 ways, for example, as 1640961 + 308025 = 1281^2 + 555^2 .

It is a Curzon number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1948981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3931 + ... + 4398.

2^1948986 is an apocalyptic number.

1948986 is an abundant number, since it is smaller than the sum of its proper divisors (2599194).

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

1948986 is a wasteful number, since it uses less digits than its factorization.

1948986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8350 (or 8347 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1948986 is about 1396.0608869243. The cubic root of 1948986 is about 124.9116388866.

It can be divided in two parts, 194 and 8986, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 1948986 in words is "one million, nine hundred forty-eight thousand, nine hundred eighty-six".