1867342 has 4 divisors (see below), whose sum is σ = 2801016. Its totient is φ = 933670.

The previous prime is 1867337. The next prime is 1867343. The reversal of 1867342 is 2437681.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1867342² = 6973932289928, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1867343) 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 as a sum of consecutive naturals, namely, 466834 + ... + 466837.

It is an arithmetic number, because the mean of its divisors is an integer number (700254).

2^1867342 is an apocalyptic number.

1867342 is a deficient number, since it is larger than the sum of its proper divisors (933674).

1867342 is an equidigital number, since it uses as much as digits as its factorization.

1867342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933673.

The product of its digits is 8064, while the sum is 31.

The square root of 1867342 is about 1366.5072264719. The cubic root of 1867342 is about 123.1424968478.

It can be divided in two parts, 1867 and 342, that added together give a square (2209 = 47²).

The spelling of 1867342 in words is "one million, eight hundred sixty-seven thousand, three hundred forty-two".