2421376 has 16 divisors (see below), whose sum is σ = 4824090. Its totient is φ = 1210624.

The previous prime is 2421347. The next prime is 2421383. The reversal of 2421376 is 6731242.

It can be written as a sum of positive squares in only one way, i.e., 1742400 + 678976 = 1320^2 + 824^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 2421376.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9331 + ... + 9586.

2^2421376 is an apocalyptic number.

It is an amenable number.

2421376 is a deficient number, since it is larger than the sum of its proper divisors (2402714).

2421376 is an equidigital number, since it uses as much as digits as its factorization.

2421376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18931 (or 18919 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 2421376 is about 1556.0771189115. The cubic root of 2421376 is about 134.2829101141.

The spelling of 2421376 in words is "two million, four hundred twenty-one thousand, three hundred seventy-six".