1913345 has 8 divisors (see below), whose sum is σ = 2624064. Its totient is φ = 1311984.

The previous prime is 1913341. The next prime is 1913377. The reversal of 1913345 is 5433191.

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

It is a cyclic number.

It is not a de Polignac number, because 1913345 - 2² = 1913341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1913341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27299 + ... + 27368.

It is an arithmetic number, because the mean of its divisors is an integer number (328008).

2^1913345 is an apocalyptic number.

It is an amenable number.

1913345 is a deficient number, since it is larger than the sum of its proper divisors (710719).

1913345 is an equidigital number, since it uses as much as digits as its factorization.

1913345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54679.

The product of its digits is 1620, while the sum is 26.

The square root of 1913345 is about 1383.2371452502. The cubic root of 1913345 is about 124.1455323898.

The spelling of 1913345 in words is "one million, nine hundred thirteen thousand, three hundred forty-five".