365727969 has 12 divisors (see below), whose sum is σ = 533505492. Its totient is φ = 241404000.

The previous prime is 365727959. The next prime is 365727977. The reversal of 365727969 is 969727563.

365727969 is a `hidden beast` number, since 3 + 6 + 572 + 7 + 9 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 219632400 + 146095569 = 14820^2 + 12087^2 .

It is not a de Polignac number, because 365727969 - 2⁹ = 365727457 is a prime.

It is a super-2 number, since 2×365727969² = 267513894617729922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (365727949) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 200262 + ... + 202079.

It is an arithmetic number, because the mean of its divisors is an integer number (44458791).

Almost surely, 2^365727969 is an apocalyptic number.

It is an amenable number.

365727969 is a deficient number, since it is larger than the sum of its proper divisors (167777523).

365727969 is a wasteful number, since it uses less digits than its factorization.

365727969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402448 (or 402445 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The square root of 365727969 is about 19124.0155040724. The cubic root of 365727969 is about 715.1317467954.

It can be divided in two parts, 3657 and 27969, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 365727969 in words is "three hundred sixty-five million, seven hundred twenty-seven thousand, nine hundred sixty-nine".