348397040 has 20 divisors (see below), whose sum is σ = 810023304. Its totient is φ = 139358784.

The previous prime is 348397019. The next prime is 348397057. The reversal of 348397040 is 40793843.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 348396985 and 348397003.

It is a congruent number.

It is an unprimeable number.

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, 2177402 + ... + 2177561.

Almost surely, 2^348397040 is an apocalyptic number.

It is an amenable number.

348397040 is an abundant number, since it is smaller than the sum of its proper divisors (461626264).

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

348397040 is a wasteful number, since it uses less digits than its factorization.

348397040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354976 (or 4354970 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 348397040 is about 18665.3968615725. The cubic root of 348397040 is about 703.6523658153.

The spelling of 348397040 in words is "three hundred forty-eight million, three hundred ninety-seven thousand, forty".