353940749 has 2 divisors, whose sum is σ = 353940750. Its totient is φ = 353940748.

The previous prime is 353940739. The next prime is 353940761. The reversal of 353940749 is 947049353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352763524 + 1177225 = 18782^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 353940749 - 2²⁸ = 85505293 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 (353940739) 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, 176970374 + 176970375.

It is an arithmetic number, because the mean of its divisors is an integer number (176970375).

Almost surely, 2^353940749 is an apocalyptic number.

It is an amenable number.

353940749 is a deficient number, since it is larger than the sum of its proper divisors (1).

353940749 is an equidigital number, since it uses as much as digits as its factorization.

353940749 is an odious number, because the sum of its binary digits is odd.

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

The square root of 353940749 is about 18813.3130787748. The cubic root of 353940749 is about 707.3649258716.

The spelling of 353940749 in words is "three hundred fifty-three million, nine hundred forty thousand, seven hundred forty-nine".