408330379 has 2 divisors, whose sum is σ = 408330380. Its totient is φ = 408330378.

The previous prime is 408330331. The next prime is 408330383. The reversal of 408330379 is 973033804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408330379 - 2¹¹ = 408328331 is a prime.

It is not a weakly prime, because it can be changed into another prime (408330079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204165189 + 204165190.

It is an arithmetic number, because the mean of its divisors is an integer number (204165190).

Almost surely, 2^408330379 is an apocalyptic number.

408330379 is a deficient number, since it is larger than the sum of its proper divisors (1).

408330379 is an equidigital number, since it uses as much as digits as its factorization.

408330379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 408330379 is about 20207.1863207127. The cubic root of 408330379 is about 741.8860938480.

The spelling of 408330379 in words is "four hundred eight million, three hundred thirty thousand, three hundred seventy-nine".