6291963 has 12 divisors (see below), whose sum is σ = 9146280. Its totient is φ = 4167936.

The previous prime is 6291959. The next prime is 6291973. The reversal of 6291963 is 3691926.

6291963 is nontrivially palindromic in base 6.

It is not a de Polignac number, because 6291963 - 2² = 6291959 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6291973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (762190).

Almost surely, 2^6291963 is an apocalyptic number.

6291963 is a deficient number, since it is larger than the sum of its proper divisors (2854317).

6291963 is a wasteful number, since it uses less digits than its factorization.

6291963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458 (or 4455 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 6291963 is about 2508.3785599466. The cubic root of 6291963 is about 184.6129037728.

The spelling of 6291963 in words is "six million, two hundred ninety-one thousand, nine hundred sixty-three".