347406828 has 12 divisors (see below), whose sum is σ = 810615960. Its totient is φ = 115802272.

The previous prime is 347406823. The next prime is 347406833. The reversal of 347406828 is 828604743.

It is an interprime number because it is at equal distance from previous prime (347406823) and next prime (347406833).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 347406828.

It is not an unprimeable number, because it can be changed into a prime (347406821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14475273 + ... + 14475296.

It is an arithmetic number, because the mean of its divisors is an integer number (67551330).

Almost surely, 2^347406828 is an apocalyptic number.

It is an amenable number.

347406828 is an abundant number, since it is smaller than the sum of its proper divisors (463209132).

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

347406828 is a wasteful number, since it uses less digits than its factorization.

347406828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28950576 (or 28950574 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 347406828 is about 18638.8526470918. The cubic root of 347406828 is about 702.9850943841.

The spelling of 347406828 in words is "three hundred forty-seven million, four hundred six thousand, eight hundred twenty-eight".