2981463 has 4 divisors (see below), whose sum is σ = 3975288. Its totient is φ = 1987640.

The previous prime is 2981453. The next prime is 2981471. The reversal of 2981463 is 3641892.

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

It is a cyclic number.

It is not a de Polignac number, because 2981463 - 2⁵ = 2981431 is a prime.

It is a D-number.

2981463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496908 + ... + 496913.

It is an arithmetic number, because the mean of its divisors is an integer number (993822).

2^2981463 is an apocalyptic number.

2981463 is a deficient number, since it is larger than the sum of its proper divisors (993825).

2981463 is an equidigital number, since it uses as much as digits as its factorization.

2981463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993824.

The product of its digits is 10368, while the sum is 33.

The square root of 2981463 is about 1726.6913447400. The cubic root of 2981463 is about 143.9272877503.

The spelling of 2981463 in words is "two million, nine hundred eighty-one thousand, four hundred sixty-three".