1919485 has 8 divisors (see below), whose sum is σ = 2336256. Its totient is φ = 1513680.

The previous prime is 1919479. The next prime is 1919503. The reversal of 1919485 is 5849191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1919485 is a prime.

It is a Duffinian number.

1919485 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349 + ... + 3058.

It is an arithmetic number, because the mean of its divisors is an integer number (292032).

2^1919485 is an apocalyptic number.

It is an amenable number.

1919485 is a deficient number, since it is larger than the sum of its proper divisors (416771).

1919485 is an equidigital number, since it uses as much as digits as its factorization.

1919485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483.

The product of its digits is 12960, while the sum is 37.

The square root of 1919485 is about 1385.4547989740. The cubic root of 1919485 is about 124.2781865726.

The spelling of 1919485 in words is "one million, nine hundred nineteen thousand, four hundred eighty-five".