356671349 has 2 divisors, whose sum is σ = 356671350. Its totient is φ = 356671348.

The previous prime is 356671307. The next prime is 356671421. The reversal of 356671349 is 943176653.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305620324 + 51051025 = 17482^2 + 7145^2 .

It is a cyclic number.

It is not a de Polignac number, because 356671349 - 2⁸ = 356671093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (356611349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178335674 + 178335675.

It is an arithmetic number, because the mean of its divisors is an integer number (178335675).

Almost surely, 2^356671349 is an apocalyptic number.

It is an amenable number.

356671349 is a deficient number, since it is larger than the sum of its proper divisors (1).

356671349 is an equidigital number, since it uses as much as digits as its factorization.

356671349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 356671349 is about 18885.7445974470. The cubic root of 356671349 is about 709.1793394381.

The spelling of 356671349 in words is "three hundred fifty-six million, six hundred seventy-one thousand, three hundred forty-nine".