379461721 has 2 divisors, whose sum is σ = 379461722. Its totient is φ = 379461720.

The previous prime is 379461689. The next prime is 379461737. The reversal of 379461721 is 127164973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276723225 + 102738496 = 16635^2 + 10136^2 .

It is a cyclic number.

It is not a de Polignac number, because 379461721 - 2⁵ = 379461689 is a prime.

It is not a weakly prime, because it can be changed into another prime (379467721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189730860 + 189730861.

It is an arithmetic number, because the mean of its divisors is an integer number (189730861).

Almost surely, 2^379461721 is an apocalyptic number.

It is an amenable number.

379461721 is a deficient number, since it is larger than the sum of its proper divisors (1).

379461721 is an equidigital number, since it uses as much as digits as its factorization.

379461721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 40.

The square root of 379461721 is about 19479.7772317858. Note that the first 3 decimals coincide. The cubic root of 379461721 is about 723.9734793100.

The spelling of 379461721 in words is "three hundred seventy-nine million, four hundred sixty-one thousand, seven hundred twenty-one".