349207221984 has 48 divisors (see below), whose sum is σ = 917125292160. Its totient is φ = 116344460160.

The previous prime is 349207221901. The next prime is 349207221989. The reversal of 349207221984 is 489122702943.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349207221989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711364 + ... + 1097475.

It is an arithmetic number, because the mean of its divisors is an integer number (19106776920).

Almost surely, 2^349207221984 is an apocalyptic number.

It is an amenable number.

349207221984 is an abundant number, since it is smaller than the sum of its proper divisors (567918070176).

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

349207221984 is a wasteful number, since it uses less digits than its factorization.

349207221984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810863 (or 1810855 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 349207221984 in words is "three hundred forty-nine billion, two hundred seven million, two hundred twenty-one thousand, nine hundred eighty-four".