355679489 has 4 divisors (see below), whose sum is σ = 388014000. Its totient is φ = 323344980.

The previous prime is 355679437. The next prime is 355679509. The reversal of 355679489 is 984976553.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 355679489 - 2¹⁶ = 355613953 is a prime.

It is a super-2 number, since 2×355679489² = 253015797790602242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355679419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16167239 + ... + 16167260.

It is an arithmetic number, because the mean of its divisors is an integer number (97003500).

Almost surely, 2^355679489 is an apocalyptic number.

It is an amenable number.

355679489 is a deficient number, since it is larger than the sum of its proper divisors (32334511).

355679489 is a wasteful number, since it uses less digits than its factorization.

355679489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32334510.

The product of its digits is 8164800, while the sum is 56.

The square root of 355679489 is about 18859.4668270341. The cubic root of 355679489 is about 708.5213483954.

The spelling of 355679489 in words is "three hundred fifty-five million, six hundred seventy-nine thousand, four hundred eighty-nine".