346427090 has 16 divisors (see below), whose sum is σ = 625100760. Its totient is φ = 138230400.

The previous prime is 346427047. The next prime is 346427093. The reversal of 346427090 is 90724643.

It can be written as a sum of positive squares in 4 ways, for example, as 302377321 + 44049769 = 17389^2 + 6637^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 346427090.

It is not an unprimeable number, because it can be changed into a prime (346427093) 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 7 ways as a sum of consecutive naturals, for example, 38261 + ... + 46440.

Almost surely, 2^346427090 is an apocalyptic number.

346427090 is a deficient number, since it is larger than the sum of its proper divisors (278673670).

346427090 is a wasteful number, since it uses less digits than its factorization.

346427090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85117.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 346427090 is about 18612.5519475434. The cubic root of 346427090 is about 702.3236319704.

The spelling of 346427090 in words is "three hundred forty-six million, four hundred twenty-seven thousand, ninety".