348445830 has 16 divisors (see below), whose sum is σ = 836270064. Its totient is φ = 92918880.

The previous prime is 348445819. The next prime is 348445831. The reversal of 348445830 is 38544843.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348445831) 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 7 ways as a sum of consecutive naturals, for example, 5807401 + ... + 5807460.

It is an arithmetic number, because the mean of its divisors is an integer number (52266879).

Almost surely, 2^348445830 is an apocalyptic number.

348445830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

348445830 is an abundant number, since it is smaller than the sum of its proper divisors (487824234).

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

348445830 is a wasteful number, since it uses less digits than its factorization.

348445830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11614871.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 348445830 is about 18666.7037797250. The cubic root of 348445830 is about 703.6852110967.

The spelling of 348445830 in words is "three hundred forty-eight million, four hundred forty-five thousand, eight hundred thirty".