348140290 has 32 divisors (see below), whose sum is σ = 635506560. Its totient is φ = 137303424.

The previous prime is 348140269. The next prime is 348140291. The reversal of 348140290 is 92041843.

It is not an unprimeable number, because it can be changed into a prime (348140291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222531 + ... + 224089.

It is an arithmetic number, because the mean of its divisors is an integer number (19859580).

Almost surely, 2^348140290 is an apocalyptic number.

348140290 is a deficient number, since it is larger than the sum of its proper divisors (287366270).

348140290 is a wasteful number, since it uses less digits than its factorization.

348140290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 348140290 is about 18658.5178939808. The cubic root of 348140290 is about 703.4794719405.

The spelling of 348140290 in words is "three hundred forty-eight million, one hundred forty thousand, two hundred ninety".