366445961 has 12 divisors (see below), whose sum is σ = 426839940. Its totient is φ = 313679520.

The previous prime is 366445889. The next prime is 366445967. The reversal of 366445961 is 169544663.

It can be written as a sum of positive squares in 2 ways, for example, as 68227600 + 298218361 = 8260^2 + 17269^2 .

It is a de Polignac number, because none of the positive numbers 2^k-366445961 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (366445967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35675 + ... + 44783.

It is an arithmetic number, because the mean of its divisors is an integer number (35569995).

Almost surely, 2^366445961 is an apocalyptic number.

It is an amenable number.

366445961 is a deficient number, since it is larger than the sum of its proper divisors (60393979).

366445961 is an equidigital number, since it uses as much as digits as its factorization.

366445961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944 (or 9937 counting only the distinct ones).

The product of its digits is 466560, while the sum is 44.

The square root of 366445961 is about 19142.7782988781. The cubic root of 366445961 is about 715.5994197450.

The spelling of 366445961 in words is "three hundred sixty-six million, four hundred forty-five thousand, nine hundred sixty-one".