2478465 has 32 divisors (see below), whose sum is σ = 4809600. Its totient is φ = 1200960.

The previous prime is 2478449. The next prime is 2478473. The reversal of 2478465 is 5648742.

It is not a de Polignac number, because 2478465 - 2⁴ = 2478449 is a prime.

It is a super-2 number, since 2×2478465² = 12285577512450, which contains 22 as substring.

2478465 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (150300).

2^2478465 is an apocalyptic number.

It is an amenable number.

2478465 is a deficient number, since it is larger than the sum of its proper divisors (2331135).

2478465 is a wasteful number, since it uses less digits than its factorization.

2478465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694 (or 1688 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2478465 is about 1574.3141363781. The cubic root of 2478465 is about 135.3300565965.

The spelling of 2478465 in words is "two million, four hundred seventy-eight thousand, four hundred sixty-five".