4021596 has 48 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 1281456.

The previous prime is 4021579. The next prime is 4021601. The reversal of 4021596 is 6951204.

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 a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675 + ... + 3293.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

Almost surely, 2^4021596 is an apocalyptic number.

4021596 is a gapful number since it is divisible by the number (46) 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 4021596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5443200).

4021596 is an abundant number, since it is smaller than the sum of its proper divisors (6864804).

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

4021596 is a wasteful number, since it uses less digits than its factorization.

4021596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655 (or 1647 counting only the distinct ones).

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

The square root of 4021596 is about 2005.3917323057. The cubic root of 4021596 is about 159.0252718819.

The spelling of 4021596 in words is "four million, twenty-one thousand, five hundred ninety-six".