99997463 has 4 divisors (see below), whose sum is σ = 101121120. Its totient is φ = 98873808.

The previous prime is 99997459. The next prime is 99997493. The reversal of 99997463 is 36479999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36479999 = 29 ⋅1257931.

It is a cyclic number.

It is not a de Polignac number, because 99997463 - 2² = 99997459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99997399 and 99997408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99997493) 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, 561695 + ... + 561872.

It is an arithmetic number, because the mean of its divisors is an integer number (25280280).

Almost surely, 2^99997463 is an apocalyptic number.

99997463 is a deficient number, since it is larger than the sum of its proper divisors (1123657).

99997463 is a wasteful number, since it uses less digits than its factorization.

99997463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123656.

The product of its digits is 3306744, while the sum is 56.

The square root of 99997463 is about 9999.8731491954. The cubic root of 99997463 is about 464.1549580911.

The spelling of 99997463 in words is "ninety-nine million, nine hundred ninety-seven thousand, four hundred sixty-three".