348513840 has 100 divisors (see below), whose sum is σ = 1210462704. Its totient is φ = 92935296.

The previous prime is 348513799. The next prime is 348513853. The reversal of 348513840 is 48315843.

348513840 is a `hidden beast` number, since 3 + 485 + 138 + 40 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 348513795 and 348513804.

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 19 ways as a sum of consecutive naturals, for example, 20412 + ... + 33371.

Almost surely, 2^348513840 is an apocalyptic number.

348513840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

348513840 is an abundant number, since it is smaller than the sum of its proper divisors (861948864).

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

348513840 is a wasteful number, since it uses less digits than its factorization.

348513840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53808 (or 53793 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 348513840 is about 18668.5253836504. The cubic root of 348513840 is about 703.7309901091.

The spelling of 348513840 in words is "three hundred forty-eight million, five hundred thirteen thousand, eight hundred forty".