2021376 has 96 divisors (see below), whose sum is σ = 6289920. Its totient is φ = 565248.

The previous prime is 2021339. The next prime is 2021377. The reversal of 2021376 is 6731202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42985 + ... + 43031.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2^2021376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3144960).

2021376 is an abundant number, since it is smaller than the sum of its proper divisors (4268544).

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

2021376 is an equidigital number, since it uses as much as digits as its factorization.

2021376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2021376 is about 1421.7510330575. The cubic root of 2021376 is about 126.4393831240.

Adding to 2021376 its reverse (6731202), we get a palindrome (8752578).

The spelling of 2021376 in words is "two million, twenty-one thousand, three hundred seventy-six".