356403427 has 2 divisors, whose sum is σ = 356403428. Its totient is φ = 356403426.

The previous prime is 356403409. The next prime is 356403433. The reversal of 356403427 is 724304653.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356403427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 356403392 and 356403401.

It is not a weakly prime, because it can be changed into another prime (356403227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178201713 + 178201714.

It is an arithmetic number, because the mean of its divisors is an integer number (178201714).

Almost surely, 2^356403427 is an apocalyptic number.

356403427 is a deficient number, since it is larger than the sum of its proper divisors (1).

356403427 is an equidigital number, since it uses as much as digits as its factorization.

356403427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 34.

The square root of 356403427 is about 18878.6500311860. The cubic root of 356403427 is about 709.0017227584.

The spelling of 356403427 in words is "three hundred fifty-six million, four hundred three thousand, four hundred twenty-seven".