2121464 has 32 divisors (see below), whose sum is σ = 4438800. Its totient is φ = 944640.

The previous prime is 2121461. The next prime is 2121479. The reversal of 2121464 is 4641212.

2121464 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121461) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2174 + ... + 2994.

2^2121464 is an apocalyptic number.

It is an amenable number.

2121464 is an abundant number, since it is smaller than the sum of its proper divisors (2317336).

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

2121464 is a wasteful number, since it uses less digits than its factorization.

2121464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 859 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 2121464 is about 1456.5246307564. The cubic root of 2121464 is about 128.4927297335.

Adding to 2121464 its reverse (4641212), we get a palindrome (6762676).

The spelling of 2121464 in words is "two million, one hundred twenty-one thousand, four hundred sixty-four".