369361921 has 4 divisors (see below), whose sum is σ = 369454932. Its totient is φ = 369268912.

The previous prime is 369361913. The next prime is 369361933. The reversal of 369361921 is 129163963.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 129163963 = 1997 ⋅64679.

It can be written as a sum of positive squares in 2 ways, for example, as 302760000 + 66601921 = 17400^2 + 8161^2 .

It is a cyclic number.

It is not a de Polignac number, because 369361921 - 2³ = 369361913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (369361901) 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, 40270 + ... + 48583.

It is an arithmetic number, because the mean of its divisors is an integer number (92363733).

Almost surely, 2^369361921 is an apocalyptic number.

It is an amenable number.

369361921 is a deficient number, since it is larger than the sum of its proper divisors (93011).

369361921 is an equidigital number, since it uses as much as digits as its factorization.

369361921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93010.

The product of its digits is 52488, while the sum is 40.

The square root of 369361921 is about 19218.7908308509. The cubic root of 369361921 is about 717.4925127200.

The spelling of 369361921 in words is "three hundred sixty-nine million, three hundred sixty-one thousand, nine hundred twenty-one".