1854345 has 16 divisors (see below), whose sum is σ = 2987712. Its totient is φ = 982080.

The previous prime is 1854341. The next prime is 1854353. The reversal of 1854345 is 5434581.

It is not a de Polignac number, because 1854345 - 2² = 1854341 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1854341) 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, 2374 + ... + 3056.

It is an arithmetic number, because the mean of its divisors is an integer number (186732).

2^1854345 is an apocalyptic number.

1854345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1854345 is a deficient number, since it is larger than the sum of its proper divisors (1133367).

1854345 is a wasteful number, since it uses less digits than its factorization.

1854345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872.

The product of its digits is 9600, while the sum is 30.

The square root of 1854345 is about 1361.7433678928. The cubic root of 1854345 is about 122.8561342599.

The spelling of 1854345 in words is "one million, eight hundred fifty-four thousand, three hundred forty-five".