29997963 has 12 divisors (see below), whose sum is σ = 43924920. Its totient is φ = 19724256.

The previous prime is 29997953. The next prime is 29997973. The reversal of 29997963 is 36979992.

It is an interprime number because it is at equal distance from previous prime (29997953) and next prime (29997973).

It is not a de Polignac number, because 29997963 - 2⁶ = 29997899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29997953) 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, 22173 + ... + 23486.

It is an arithmetic number, because the mean of its divisors is an integer number (3660410).

Almost surely, 2^29997963 is an apocalyptic number.

29997963 is a deficient number, since it is larger than the sum of its proper divisors (13926957).

29997963 is a wasteful number, since it uses less digits than its factorization.

29997963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45738 (or 45735 counting only the distinct ones).

The product of its digits is 1653372, while the sum is 54.

The square root of 29997963 is about 5477.0396200867. The cubic root of 29997963 is about 310.7162177333.

The spelling of 29997963 in words is "twenty-nine million, nine hundred ninety-seven thousand, nine hundred sixty-three".