347442030 has 144 divisors (see below), whose sum is σ = 998951616. Its totient is φ = 83715840.

The previous prime is 347442023. The next prime is 347442041. The reversal of 347442030 is 30244743.

It is a junction number, because it is equal to n+sod(n) for n = 347441985 and 347442003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 805915 + ... + 806345.

It is an arithmetic number, because the mean of its divisors is an integer number (6937164).

Almost surely, 2^347442030 is an apocalyptic number.

347442030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 347442030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499475808).

347442030 is an abundant number, since it is smaller than the sum of its proper divisors (651509586).

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

347442030 is a wasteful number, since it uses less digits than its factorization.

347442030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 347442030 is about 18639.7969409541. The cubic root of 347442030 is about 703.0088375804.

Adding to 347442030 its reverse (30244743), we get a palindrome (377686773).

The spelling of 347442030 in words is "three hundred forty-seven million, four hundred forty-two thousand, thirty".