2021464 has 16 divisors (see below), whose sum is σ = 3883320. Its totient is φ = 985920.

The previous prime is 2021431. The next prime is 2021471. The reversal of 2021464 is 4641202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754 + ... + 3409.

2^2021464 is an apocalyptic number.

It is an amenable number.

2021464 is a deficient number, since it is larger than the sum of its proper divisors (1861856).

2021464 is a wasteful number, since it uses less digits than its factorization.

2021464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6210 (or 6206 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2021464 is about 1421.7819804738. The cubic root of 2021464 is about 126.4412179309.

Adding to 2021464 its reverse (4641202), we get a palindrome (6662666).

It can be divided in two parts, 2021 and 464, that added together give a triangular number (2485 = T₇₀).

The spelling of 2021464 in words is "two million, twenty-one thousand, four hundred sixty-four".