1948340 has 24 divisors (see below), whose sum is σ = 4161192. Its totient is φ = 766080.

The previous prime is 1948337. The next prime is 1948343. The reversal of 1948340 is 438491.

It is an interprime number because it is at equal distance from previous prime (1948337) and next prime (1948343).

It can be written as a sum of positive squares in 4 ways, for example, as 38416 + 1909924 = 196^2 + 1382^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948343) 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 7 ways as a sum of consecutive naturals, for example, 422 + ... + 2018.

It is an arithmetic number, because the mean of its divisors is an integer number (173383).

2^1948340 is an apocalyptic number.

1948340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1948340 is an abundant number, since it is smaller than the sum of its proper divisors (2212852).

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

1948340 is a wasteful number, since it uses less digits than its factorization.

1948340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1948340 is about 1395.8295024823. The cubic root of 1948340 is about 124.8978365237.

The spelling of 1948340 in words is "one million, nine hundred forty-eight thousand, three hundred forty".