354929749 has 2 divisors, whose sum is σ = 354929750. Its totient is φ = 354929748.

The previous prime is 354929669. The next prime is 354929803. The reversal of 354929749 is 947929453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191268900 + 163660849 = 13830^2 + 12793^2 .

It is a cyclic number.

It is not a de Polignac number, because 354929749 - 2¹³ = 354921557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 354929696 and 354929705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354920749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177464874 + 177464875.

It is an arithmetic number, because the mean of its divisors is an integer number (177464875).

Almost surely, 2^354929749 is an apocalyptic number.

It is an amenable number.

354929749 is a deficient number, since it is larger than the sum of its proper divisors (1).

354929749 is an equidigital number, since it uses as much as digits as its factorization.

354929749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The square root of 354929749 is about 18839.5793212057. The cubic root of 354929749 is about 708.0231653448.

The spelling of 354929749 in words is "three hundred fifty-four million, nine hundred twenty-nine thousand, seven hundred forty-nine".