354209713 has 20 divisors (see below), whose sum is σ = 419825140. Its totient is φ = 297079200.

The previous prime is 354209707. The next prime is 354209717. The reversal of 354209713 is 317902453.

It can be written as a sum of positive squares in 2 ways, for example, as 15944049 + 338265664 = 3993^2 + 18392^2 .

It is not a de Polignac number, because 354209713 - 2⁹ = 354209201 is a prime.

It is a super-3 number, since 3×354209713³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354209717) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 189403 + ... + 191263.

It is an arithmetic number, because the mean of its divisors is an integer number (20991257).

Almost surely, 2^354209713 is an apocalyptic number.

It is an amenable number.

354209713 is a deficient number, since it is larger than the sum of its proper divisors (65615427).

354209713 is an equidigital number, since it uses as much as digits as its factorization.

354209713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 354209713 is about 18820.4599571849. The cubic root of 354209713 is about 707.5440589875.

The spelling of 354209713 in words is "three hundred fifty-four million, two hundred nine thousand, seven hundred thirteen".