1594140 has 36 divisors (see below), whose sum is σ = 4491144. Its totient is φ = 422496.

The previous prime is 1594133. The next prime is 1594147. The reversal of 1594140 is 414951.

It is an interprime number because it is at equal distance from previous prime (1594133) and next prime (1594147).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1594140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1594147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9699 + ... + 9861.

It is an arithmetic number, because the mean of its divisors is an integer number (124754).

2^1594140 is an apocalyptic number.

1594140 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 1594140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245572).

1594140 is an abundant number, since it is smaller than the sum of its proper divisors (2897004).

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

1594140 is a wasteful number, since it uses less digits than its factorization.

1594140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1594140 is about 1262.5925708636. The cubic root of 1594140 is about 116.8177453178.

The spelling of 1594140 in words is "one million, five hundred ninety-four thousand, one hundred forty".