353421906 has 8 divisors (see below), whose sum is σ = 706843824. Its totient is φ = 117807300.

The previous prime is 353421899. The next prime is 353421911. The reversal of 353421906 is 609124353.

It is a sphenic number, since it is the product of 3 distinct primes.

353421906 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29451820 + ... + 29451831.

It is an arithmetic number, because the mean of its divisors is an integer number (88355478).

Almost surely, 2^353421906 is an apocalyptic number.

353421906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353421906 is a wasteful number, since it uses less digits than its factorization.

353421906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58903656.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 353421906 is about 18799.5187704367. The cubic root of 353421906 is about 707.0191139225.

The spelling of 353421906 in words is "three hundred fifty-three million, four hundred twenty-one thousand, nine hundred six".