1893942 has 32 divisors (see below), whose sum is σ = 4270560. Its totient is φ = 629856.

The previous prime is 1893937. The next prime is 1893949. The reversal of 1893942 is 2493981.

It is a junction number, because it is equal to n+sod(n) for n = 1893897 and 1893906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1893949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4158 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (133455).

2^1893942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1893942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2135280).

1893942 is an abundant number, since it is smaller than the sum of its proper divisors (2376618).

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

1893942 is an frugal number, since it uses more digits than its factorization.

1893942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 438 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1893942 is about 1376.2056532365. The cubic root of 1893942 is about 123.7244575382.

It can be divided in two parts, 18939 and 42, that added together give a palindrome (18981).

The spelling of 1893942 in words is "one million, eight hundred ninety-three thousand, nine hundred forty-two".