999020546 has 8 divisors (see below), whose sum is σ = 1523097084. Its totient is φ = 491321520.

The previous prime is 999020531. The next prime is 999020573. The reversal of 999020546 is 645020999.

It can be written as a sum of positive squares in 2 ways, for example, as 997864921 + 1155625 = 31589^2 + 1075^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 999020497 and 999020506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094225 + ... + 4094468.

Almost surely, 2^999020546 is an apocalyptic number.

999020546 is a deficient number, since it is larger than the sum of its proper divisors (524076538).

999020546 is a wasteful number, since it uses less digits than its factorization.

999020546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8188756.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 999020546 is about 31607.2862802234. The cubic root of 999020546 is about 999.6734086831.

The spelling of 999020546 in words is "nine hundred ninety-nine million, twenty thousand, five hundred forty-six".