2021496 has 16 divisors (see below), whose sum is σ = 5053800. Its totient is φ = 673824.

The previous prime is 2021489. The next prime is 2021497. The reversal of 2021496 is 6941202.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 84229 = 2021496 / (2 + 0 + 2 + 1 + 4 + 9 + 6).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42091 + ... + 42138.

2^2021496 is an apocalyptic number.

It is an amenable number.

2021496 is an abundant number, since it is smaller than the sum of its proper divisors (3032304).

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

2021496 is a wasteful number, since it uses less digits than its factorization.

2021496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84238 (or 84234 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2021496 is about 1421.7932339127. The cubic root of 2021496 is about 126.4418851202.

Adding to 2021496 its reverse (6941202), we get a palindrome (8962698).

The spelling of 2021496 in words is "two million, twenty-one thousand, four hundred ninety-six".