354639361 has 4 divisors (see below), whose sum is σ = 362886832. Its totient is φ = 346391892.

The previous prime is 354639319. The next prime is 354639367. The reversal of 354639361 is 163936453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163936453 = 431 ⋅380363.

It is a cyclic number.

It is not a de Polignac number, because 354639361 - 2⁹ = 354638849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354639367) 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, 4123671 + ... + 4123756.

It is an arithmetic number, because the mean of its divisors is an integer number (90721708).

Almost surely, 2^354639361 is an apocalyptic number.

It is an amenable number.

354639361 is a deficient number, since it is larger than the sum of its proper divisors (8247471).

354639361 is an equidigital number, since it uses as much as digits as its factorization.

354639361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247470.

The product of its digits is 174960, while the sum is 40.

The square root of 354639361 is about 18831.8708842218. The cubic root of 354639361 is about 707.8300214636.

The spelling of 354639361 in words is "three hundred fifty-four million, six hundred thirty-nine thousand, three hundred sixty-one".