2463997 has 4 divisors (see below), whose sum is σ = 2608956. Its totient is φ = 2319040.

The previous prime is 2463991. The next prime is 2464003. The reversal of 2463997 is 7993642.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2463991) and next prime (2464003).

It can be written as a sum of positive squares in 2 ways, for example, as 1038361 + 1425636 = 1019^2 + 1194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2463997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2463991) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 72454 + ... + 72487.

It is an arithmetic number, because the mean of its divisors is an integer number (652239).

2^2463997 is an apocalyptic number.

It is an amenable number.

2463997 is a deficient number, since it is larger than the sum of its proper divisors (144959).

2463997 is a wasteful number, since it uses less digits than its factorization.

2463997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144958.

The product of its digits is 81648, while the sum is 40.

The square root of 2463997 is about 1569.7123940391. The cubic root of 2463997 is about 135.0662135180.

The spelling of 2463997 in words is "two million, four hundred sixty-three thousand, nine hundred ninety-seven".