2421465 has 16 divisors (see below), whose sum is σ = 3979968. Its totient is φ = 1256256.

The previous prime is 2421451. The next prime is 2421467. The reversal of 2421465 is 5641242.

It is not a de Polignac number, because 2421465 - 2⁴ = 2421449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1627 + ... + 2736.

It is an arithmetic number, because the mean of its divisors is an integer number (248748).

2^2421465 is an apocalyptic number.

It is an amenable number.

2421465 is a deficient number, since it is larger than the sum of its proper divisors (1558503).

2421465 is a wasteful number, since it uses less digits than its factorization.

2421465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its digits is 1920, while the sum is 24.

The square root of 2421465 is about 1556.1057162031. The cubic root of 2421465 is about 134.2845553264.

The spelling of 2421465 in words is "two million, four hundred twenty-one thousand, four hundred sixty-five".