355990340 has 24 divisors (see below), whose sum is σ = 757823640. Its totient is φ = 140444928.

The previous prime is 355990339. The next prime is 355990373. The reversal of 355990340 is 43099553.

It can be written as a sum of positive squares in 4 ways, for example, as 215296 + 355775044 = 464^2 + 18862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 355990294 and 355990303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120455 + ... + 123374.

It is an arithmetic number, because the mean of its divisors is an integer number (31575985).

Almost surely, 2^355990340 is an apocalyptic number.

It is an amenable number.

355990340 is an abundant number, since it is smaller than the sum of its proper divisors (401833300).

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

355990340 is a wasteful number, since it uses less digits than its factorization.

355990340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243911 (or 243909 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 355990340 is about 18867.7062728886. The cubic root of 355990340 is about 708.7276956319.

The spelling of 355990340 in words is "three hundred fifty-five million, nine hundred ninety thousand, three hundred forty".