999463197 has 4 divisors (see below), whose sum is σ = 1332617600. Its totient is φ = 666308796.

The previous prime is 999463177. The next prime is 999463253. The reversal of 999463197 is 791364999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 791364999 = 3 ⋅263788333.

It is not a de Polignac number, because 999463197 - 2⁸ = 999462941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999463117) 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, 166577197 + ... + 166577202.

It is an arithmetic number, because the mean of its divisors is an integer number (333154400).

Almost surely, 2^999463197 is an apocalyptic number.

It is an amenable number.

999463197 is a deficient number, since it is larger than the sum of its proper divisors (333154403).

999463197 is a wasteful number, since it uses less digits than its factorization.

999463197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333154402.

The product of its digits is 3306744, while the sum is 57.

The square root of 999463197 is about 31614.2878616615. The cubic root of 999463197 is about 999.8210336396.

The spelling of 999463197 in words is "nine hundred ninety-nine million, four hundred sixty-three thousand, one hundred ninety-seven".