845752369 has 12 divisors (see below), whose sum is σ = 1062433792. Its totient is φ = 659027160.

The previous prime is 845752367. The next prime is 845752379. The reversal of 845752369 is 963257548.

It is not a de Polignac number, because 845752369 - 2¹ = 845752367 is a prime.

It is a super-2 number, since 2×845752369² = 1430594139338224322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (845752361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498417 + ... + 500110.

Almost surely, 2^845752369 is an apocalyptic number.

It is an amenable number.

845752369 is a deficient number, since it is larger than the sum of its proper divisors (216681423).

845752369 is a wasteful number, since it uses less digits than its factorization.

845752369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998556 (or 998545 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The square root of 845752369 is about 29081.8219683706. The cubic root of 845752369 is about 945.6877011320.

Adding to 845752369 its product of digits (1814400), we get a square (847566769 = 29113²).

The spelling of 845752369 in words is "eight hundred forty-five million, seven hundred fifty-two thousand, three hundred sixty-nine".