369808849 has 4 divisors (see below), whose sum is σ = 369889380. Its totient is φ = 369728320.

The previous prime is 369808787. The next prime is 369808867. The reversal of 369808849 is 948808963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 948808963 = 421 ⋅2253703.

It can be written as a sum of positive squares in 2 ways, for example, as 336539025 + 33269824 = 18345^2 + 5768^2 .

It is a cyclic number.

It is not a de Polignac number, because 369808849 - 2⁹ = 369808337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 369808849.

It is not an unprimeable number, because it can be changed into a prime (369808349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32932 + ... + 42709.

It is an arithmetic number, because the mean of its divisors is an integer number (92472345).

Almost surely, 2^369808849 is an apocalyptic number.

It is an amenable number.

369808849 is a deficient number, since it is larger than the sum of its proper divisors (80531).

369808849 is an equidigital number, since it uses as much as digits as its factorization.

369808849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80530.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The square root of 369808849 is about 19230.4146861164. The cubic root of 369808849 is about 717.7817847740.

The spelling of 369808849 in words is "three hundred sixty-nine million, eight hundred eight thousand, eight hundred forty-nine".