999810348 has 24 divisors (see below), whose sum is σ = 2354296560. Its totient is φ = 330212160.

The previous prime is 999810347. The next prime is 999810397. The reversal of 999810348 is 843018999.

It is a happy number.

It is a super-2 number, since 2×999810348² = 1999241463935762208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 999810348.

It is not an unprimeable number, because it can be changed into a prime (999810347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380883 + ... + 383498.

It is an arithmetic number, because the mean of its divisors is an integer number (98095690).

Almost surely, 2^999810348 is an apocalyptic number.

It is an amenable number.

999810348 is an abundant number, since it is smaller than the sum of its proper divisors (1354486212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999810348 is a wasteful number, since it uses less digits than its factorization.

999810348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764497 (or 764495 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 51.

The square root of 999810348 is about 31619.7777980807. Note that the first 4 decimals coincide. The cubic root of 999810348 is about 999.9367786698.

The spelling of 999810348 in words is "nine hundred ninety-nine million, eight hundred ten thousand, three hundred forty-eight".