348153640 has 16 divisors (see below), whose sum is σ = 783345780. Its totient is φ = 139261440.

The previous prime is 348153577. The next prime is 348153643. The reversal of 348153640 is 46351843.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 345885604 + 2268036 = 18598^2 + 1506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 348153596 and 348153605.

It is not an unprimeable number, because it can be changed into a prime (348153643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4351881 + ... + 4351960.

Almost surely, 2^348153640 is an apocalyptic number.

It is an amenable number.

348153640 is an abundant number, since it is smaller than the sum of its proper divisors (435192140).

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

348153640 is a wasteful number, since it uses less digits than its factorization.

348153640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8703852 (or 8703848 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 348153640 is about 18658.8756360077. The cubic root of 348153640 is about 703.4884638433.

It can be divided in two parts, 3481 and 53640, that added together give a square (57121 = 239²).

The spelling of 348153640 in words is "three hundred forty-eight million, one hundred fifty-three thousand, six hundred forty".