2420465 has 8 divisors (see below), whose sum is σ = 2933928. Its totient is φ = 1916800.

The previous prime is 2420459. The next prime is 2420471. The reversal of 2420465 is 5640242.

It is an interprime number because it is at equal distance from previous prime (2420459) and next prime (2420471).

It can be written as a sum of positive squares in 4 ways, for example, as 1290496 + 1129969 = 1136^2 + 1063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2420465 - 2¹² = 2416369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892 + ... + 2901.

It is an arithmetic number, because the mean of its divisors is an integer number (366741).

2^2420465 is an apocalyptic number.

It is an amenable number.

2420465 is a deficient number, since it is larger than the sum of its proper divisors (513463).

2420465 is a wasteful number, since it uses less digits than its factorization.

2420465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4899.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2420465 is about 1555.7843680922. The cubic root of 2420465 is about 134.2660674764.

The spelling of 2420465 in words is "two million, four hundred twenty thousand, four hundred sixty-five".