346147540 has 36 divisors (see below), whose sum is σ = 770432796. Its totient is φ = 130185216.

The previous prime is 346147537. The next prime is 346147547. The reversal of 346147540 is 45741643.

It can be written as a sum of positive squares in 6 ways, for example, as 5080516 + 341067024 = 2254^2 + 18468^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 346147496 and 346147505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346147547) 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 11 ways as a sum of consecutive naturals, for example, 342556 + ... + 343564.

It is an arithmetic number, because the mean of its divisors is an integer number (21400911).

Almost surely, 2^346147540 is an apocalyptic number.

It is an amenable number.

346147540 is an abundant number, since it is smaller than the sum of its proper divisors (424285256).

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

346147540 is a wasteful number, since it uses less digits than its factorization.

346147540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 1033 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 346147540 is about 18605.0407148170. The cubic root of 346147540 is about 702.1346673354.

The spelling of 346147540 in words is "three hundred forty-six million, one hundred forty-seven thousand, five hundred forty".