1864342 has 8 divisors (see below), whose sum is σ = 2838456. Its totient is φ = 918192.

The previous prime is 1864307. The next prime is 1864361. The reversal of 1864342 is 2434681.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1864342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6823 + ... + 7090.

It is an arithmetic number, because the mean of its divisors is an integer number (354807).

2^1864342 is an apocalyptic number.

1864342 is a deficient number, since it is larger than the sum of its proper divisors (974114).

1864342 is a wasteful number, since it uses less digits than its factorization.

1864342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13982.

The product of its digits is 4608, while the sum is 28.

The square root of 1864342 is about 1365.4090962052. The cubic root of 1864342 is about 123.0765161645.

The spelling of 1864342 in words is "one million, eight hundred sixty-four thousand, three hundred forty-two".