356421379 has 2 divisors, whose sum is σ = 356421380. Its totient is φ = 356421378.

The previous prime is 356421341. The next prime is 356421383. The reversal of 356421379 is 973124653.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 356421379 - 2⁷ = 356421251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (356421479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178210689 + 178210690.

It is an arithmetic number, because the mean of its divisors is an integer number (178210690).

Almost surely, 2^356421379 is an apocalyptic number.

356421379 is a deficient number, since it is larger than the sum of its proper divisors (1).

356421379 is an equidigital number, since it uses as much as digits as its factorization.

356421379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 356421379 is about 18879.1254829243. The cubic root of 356421379 is about 709.0136266705.

The spelling of 356421379 in words is "three hundred fifty-six million, four hundred twenty-one thousand, three hundred seventy-nine".