369961 has 2 divisors, whose sum is σ = 369962. Its totient is φ = 369960.

The previous prime is 369959. The next prime is 369979. The reversal of 369961 is 169963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337561 + 32400 = 581^2 + 180^2 .

It is a cyclic number.

It is not a de Polignac number, because 369961 - 2¹ = 369959 is a prime.

It is a super-2 number, since 2×369961² = 273742283042, which contains 22 as substring.

Together with 369959, it forms a pair of twin primes.

369961 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (369991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184980 + 184981.

It is an arithmetic number, because the mean of its divisors is an integer number (184981).

2³⁶⁹⁹⁶¹ is an apocalyptic number.

It is an amenable number.

369961 is a deficient number, since it is larger than the sum of its proper divisors (1).

369961 is an equidigital number, since it uses as much as digits as its factorization.

369961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 34.

The square root of 369961 is about 608.2441943825. The cubic root of 369961 is about 71.7880210616.

The spelling of 369961 in words is "three hundred sixty-nine thousand, nine hundred sixty-one".