999514420 has 24 divisors (see below), whose sum is σ = 2111120424. Its totient is φ = 397493376.

The previous prime is 999514393. The next prime is 999514421. The reversal of 999514420 is 24415999.

999514420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 554979364 + 444535056 = 23558^2 + 21084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999514421) 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, 140979 + ... + 147898.

It is an arithmetic number, because the mean of its divisors is an integer number (87963351).

Almost surely, 2^999514420 is an apocalyptic number.

It is an amenable number.

999514420 is an abundant number, since it is smaller than the sum of its proper divisors (1111606004).

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

999514420 is a wasteful number, since it uses less digits than its factorization.

999514420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289059 (or 289057 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 999514420 is about 31615.0979754927. The cubic root of 999514420 is about 999.8381137943.

The spelling of 999514420 in words is "nine hundred ninety-nine million, five hundred fourteen thousand, four hundred twenty".