1596420 has 108 divisors (see below), whose sum is σ = 5664204. Its totient is φ = 362880.

The previous prime is 1596389. The next prime is 1596433. The reversal of 1596420 is 246951.

1596420 is a `hidden beast` number, since 15 + 9 + 642 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 213444 + 1382976 = 462^2 + 1176^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8730 + ... + 8910.

2^1596420 is an apocalyptic number.

1596420 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 1596420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2832102).

1596420 is an abundant number, since it is smaller than the sum of its proper divisors (4067784).

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

1596420 is a wasteful number, since it uses less digits than its factorization.

1596420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1596420 is about 1263.4951523453. The cubic root of 1596420 is about 116.8734111902.

It can be divided in two parts, 1596 and 420, that added together give a triangular number (2016 = T₆₃).

The spelling of 1596420 in words is "one million, five hundred ninety-six thousand, four hundred twenty".