364147961 has 4 divisors (see below), whose sum is σ = 366034932. Its totient is φ = 362260992.

The previous prime is 364147909. The next prime is 364147967. The reversal of 364147961 is 169741463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55056400 + 309091561 = 7420^2 + 17581^2 .

It is a cyclic number.

It is not a de Polignac number, because 364147961 - 2⁶ = 364147897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (364147967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943196 + ... + 943581.

It is an arithmetic number, because the mean of its divisors is an integer number (91508733).

Almost surely, 2^364147961 is an apocalyptic number.

It is an amenable number.

364147961 is a deficient number, since it is larger than the sum of its proper divisors (1886971).

364147961 is a wasteful number, since it uses less digits than its factorization.

364147961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886970.

The product of its digits is 108864, while the sum is 41.

The square root of 364147961 is about 19082.6612661861. The cubic root of 364147961 is about 714.1004293186.

The spelling of 364147961 in words is "three hundred sixty-four million, one hundred forty-seven thousand, nine hundred sixty-one".