369889873 has 2 divisors, whose sum is σ = 369889874. Its totient is φ = 369889872.

The previous prime is 369889847. The next prime is 369889879. The reversal of 369889873 is 378988963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369715984 + 173889 = 19228^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 369889873 - 2²¹ = 367792721 is a prime.

It is a super-2 number, since 2×369889873² = 273637036295912258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (369889879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184944936 + 184944937.

It is an arithmetic number, because the mean of its divisors is an integer number (184944937).

Almost surely, 2^369889873 is an apocalyptic number.

It is an amenable number.

369889873 is a deficient number, since it is larger than the sum of its proper divisors (1).

369889873 is an equidigital number, since it uses as much as digits as its factorization.

369889873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 61.

The square root of 369889873 is about 19232.5212335773. The cubic root of 369889873 is about 717.8342022185.

The spelling of 369889873 in words is "three hundred sixty-nine million, eight hundred eighty-nine thousand, eight hundred seventy-three".