356420668 has 6 divisors (see below), whose sum is σ = 623736176. Its totient is φ = 178210332.

The previous prime is 356420663. The next prime is 356420689. The reversal of 356420668 is 866024653.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 356420668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356420663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44552580 + ... + 44552587.

Almost surely, 2^356420668 is an apocalyptic number.

It is an amenable number.

356420668 is a deficient number, since it is larger than the sum of its proper divisors (267315508).

356420668 is a wasteful number, since it uses less digits than its factorization.

356420668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89105171 (or 89105169 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 356420668 is about 18879.1066525935. The cubic root of 356420668 is about 709.0131552163.

The spelling of 356420668 in words is "three hundred fifty-six million, four hundred twenty thousand, six hundred sixty-eight".