1863342 has 24 divisors (see below), whose sum is σ = 4348344. Its totient is φ = 573264.

The previous prime is 1863331. The next prime is 1863347. The reversal of 1863342 is 2433681.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1863347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3748 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (181181).

2^1863342 is an apocalyptic number.

1863342 is an abundant number, since it is smaller than the sum of its proper divisors (2485002).

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

1863342 is a wasteful number, since it uses less digits than its factorization.

1863342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7984 (or 7981 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1863342 is about 1365.0428564701. The cubic root of 1863342 is about 123.0545068751.

The spelling of 1863342 in words is "one million, eight hundred sixty-three thousand, three hundred forty-two".