1948705 has 12 divisors (see below), whose sum is σ = 2571156. Its totient is φ = 1416800.

The previous prime is 1948703. The next prime is 1948729. The reversal of 1948705 is 5078491.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1115136 + 833569 = 1056^2 + 913^2 .

It is not a de Polignac number, because 1948705 - 2¹ = 1948703 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1948703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1006 + ... + 2215.

It is an arithmetic number, because the mean of its divisors is an integer number (214263).

2^1948705 is an apocalyptic number.

It is an amenable number.

1948705 is a deficient number, since it is larger than the sum of its proper divisors (622451).

1948705 is a wasteful number, since it uses less digits than its factorization.

1948705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248 (or 3237 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1948705 is about 1395.9602429869. The cubic root of 1948705 is about 124.9056354472.

The spelling of 1948705 in words is "one million, nine hundred forty-eight thousand, seven hundred five".