347448920 has 128 divisors (see below), whose sum is σ = 980864640. Its totient is φ = 107827200.

The previous prime is 347448919. The next prime is 347448923. The reversal of 347448920 is 29844743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347448923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192020 + ... + 193820.

It is an arithmetic number, because the mean of its divisors is an integer number (7663005).

Almost surely, 2^347448920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 347448920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490432320).

347448920 is an abundant number, since it is smaller than the sum of its proper divisors (633415720).

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

347448920 is a wasteful number, since it uses less digits than its factorization.

347448920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885 (or 1881 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 347448920 is about 18639.9817596477. The cubic root of 347448920 is about 703.0134845895.

The spelling of 347448920 in words is "three hundred forty-seven million, four hundred forty-eight thousand, nine hundred twenty".