999732245 has 8 divisors (see below), whose sum is σ = 1200717216. Its totient is φ = 799093456.

The previous prime is 999732221. The next prime is 999732257. The reversal of 999732245 is 542237999.

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

It is a cyclic number.

It is not a de Polignac number, because 999732245 - 2²⁰ = 998683669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 999732193 and 999732202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80147 + ... + 91776.

It is an arithmetic number, because the mean of its divisors is an integer number (150089652).

Almost surely, 2^999732245 is an apocalyptic number.

It is an amenable number.

999732245 is a deficient number, since it is larger than the sum of its proper divisors (200984971).

999732245 is a wasteful number, since it uses less digits than its factorization.

999732245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173091.

The product of its digits is 1224720, while the sum is 50.

The square root of 999732245 is about 31618.5427399809. The cubic root of 999732245 is about 999.9107403663.

The spelling of 999732245 in words is "nine hundred ninety-nine million, seven hundred thirty-two thousand, two hundred forty-five".