1842864 has 20 divisors (see below), whose sum is σ = 4760856. Its totient is φ = 614272.

The previous prime is 1842853. The next prime is 1842877. The reversal of 1842864 is 4682481.

It is a super-2 number, since 2×1842864² = 6792295444992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19149 + ... + 19244.

2^1842864 is an apocalyptic number.

It is an amenable number.

1842864 is an abundant number, since it is smaller than the sum of its proper divisors (2917992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1842864 is a wasteful number, since it uses less digits than its factorization.

1842864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38404 (or 38398 counting only the distinct ones).

The product of its digits is 12288, while the sum is 33.

The square root of 1842864 is about 1357.5212705516. The cubic root of 1842864 is about 122.6020584996.

The spelling of 1842864 in words is "one million, eight hundred forty-two thousand, eight hundred sixty-four".