1894740 has 48 divisors (see below), whose sum is σ = 5539968. Its totient is φ = 482944.

The previous prime is 1894729. The next prime is 1894741. The reversal of 1894740 is 474981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894741) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 694 + ... + 2066.

It is an arithmetic number, because the mean of its divisors is an integer number (115416).

2^1894740 is an apocalyptic number.

1894740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2769984).

1894740 is an abundant number, since it is smaller than the sum of its proper divisors (3645228).

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

1894740 is a wasteful number, since it uses less digits than its factorization.

1894740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 1894740 is about 1376.4955503016. The cubic root of 1894740 is about 123.7418319270.

The spelling of 1894740 in words is "one million, eight hundred ninety-four thousand, seven hundred forty".