358070809 has 4 divisors (see below), whose sum is σ = 364826916. Its totient is φ = 351314704.

The previous prime is 358070807. The next prime is 358070833. The reversal of 358070809 is 908070853.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 908070853 = 1289 ⋅704477.

It can be written as a sum of positive squares in 2 ways, for example, as 187690000 + 170380809 = 13700^2 + 13053^2 .

It is a cyclic number.

It is not a de Polignac number, because 358070809 - 2¹ = 358070807 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (358070803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3377974 + ... + 3378079.

It is an arithmetic number, because the mean of its divisors is an integer number (91206729).

Almost surely, 2^358070809 is an apocalyptic number.

It is an amenable number.

358070809 is a deficient number, since it is larger than the sum of its proper divisors (6756107).

358070809 is an equidigital number, since it uses as much as digits as its factorization.

358070809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756106.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 358070809 is about 18922.7590218763. The cubic root of 358070809 is about 710.1056570923.

The spelling of 358070809 in words is "three hundred fifty-eight million, seventy thousand, eight hundred nine".