1842445 has 16 divisors (see below), whose sum is σ = 2439360. Its totient is φ = 1324800.

The previous prime is 1842431. The next prime is 1842469. The reversal of 1842445 is 5442481.

1842445 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 1842445 - 2⁵ = 1842413 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7525 + ... + 7765.

It is an arithmetic number, because the mean of its divisors is an integer number (152460).

2^1842445 is an apocalyptic number.

It is an amenable number.

1842445 is a deficient number, since it is larger than the sum of its proper divisors (596915).

1842445 is a wasteful number, since it uses less digits than its factorization.

1842445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 5120, while the sum is 28.

The square root of 1842445 is about 1357.3669363882. The cubic root of 1842445 is about 122.5927660512.

The spelling of 1842445 in words is "one million, eight hundred forty-two thousand, four hundred forty-five".