1911348 has 18 divisors (see below), whose sum is σ = 4831554. Its totient is φ = 637104.

The previous prime is 1911347. The next prime is 1911373. The reversal of 1911348 is 8431191.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 121104 = 1338^2 + 348^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1911347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26511 + ... + 26582.

2^1911348 is an apocalyptic number.

1911348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1911348 is an abundant number, since it is smaller than the sum of its proper divisors (2920206).

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

1911348 is a wasteful number, since it uses less digits than its factorization.

1911348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53103 (or 53098 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1911348 is about 1382.5150993750. The cubic root of 1911348 is about 124.1023262193.

The spelling of 1911348 in words is "one million, nine hundred eleven thousand, three hundred forty-eight".