354920749 has 2 divisors, whose sum is σ = 354920750. Its totient is φ = 354920748.

The previous prime is 354920743. The next prime is 354920759. The reversal of 354920749 is 947029453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279491524 + 75429225 = 16718^2 + 8685^2 .

It is a cyclic number.

It is not a de Polignac number, because 354920749 - 2¹⁹ = 354396461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (354920743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177460374 + 177460375.

It is an arithmetic number, because the mean of its divisors is an integer number (177460375).

Almost surely, 2^354920749 is an apocalyptic number.

It is an amenable number.

354920749 is a deficient number, since it is larger than the sum of its proper divisors (1).

354920749 is an equidigital number, since it uses as much as digits as its factorization.

354920749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 354920749 is about 18839.3404608548. The cubic root of 354920749 is about 708.0171808156.

The spelling of 354920749 in words is "three hundred fifty-four million, nine hundred twenty thousand, seven hundred forty-nine".