1919241 has 16 divisors (see below), whose sum is σ = 2936320. Its totient is φ = 1237680.

The previous prime is 1919231. The next prime is 1919273. The reversal of 1919241 is 1429191.

It is a de Polignac number, because none of the positive numbers 2^k-1919241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1919231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (183520).

2^1919241 is an apocalyptic number.

It is an amenable number.

1919241 is a deficient number, since it is larger than the sum of its proper divisors (1017079).

1919241 is a wasteful number, since it uses less digits than its factorization.

1919241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333 (or 2327 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1919241 is about 1385.3667384487. The cubic root of 1919241 is about 124.2729203749.

The spelling of 1919241 in words is "one million, nine hundred nineteen thousand, two hundred forty-one".