812385950 has 12 divisors (see below), whose sum is σ = 1511037960. Its totient is φ = 324954360.

The previous prime is 812385947. The next prime is 812385991. The reversal of 812385950 is 59583218.

It is a super-3 number, since 3×812385950³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 812385898 and 812385907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8123810 + ... + 8123909.

It is an arithmetic number, because the mean of its divisors is an integer number (125919830).

Almost surely, 2^812385950 is an apocalyptic number.

812385950 is a deficient number, since it is larger than the sum of its proper divisors (698652010).

812385950 is a wasteful number, since it uses less digits than its factorization.

812385950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16247731 (or 16247726 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 812385950 is about 28502.3849879269. The cubic root of 812385950 is about 933.0841263513.

The spelling of 812385950 in words is "eight hundred twelve million, three hundred eighty-five thousand, nine hundred fifty".