346066426 has 4 divisors (see below), whose sum is σ = 519099642. Its totient is φ = 173033212.

The previous prime is 346066421. The next prime is 346066453. The reversal of 346066426 is 624660643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624660643 = 227 ⋅2751809.

It can be written as a sum of positive squares in only one way, i.e., 284428225 + 61638201 = 16865^2 + 7851^2 .

It is not an unprimeable number, because it can be changed into a prime (346066421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86516605 + ... + 86516608.

Almost surely, 2^346066426 is an apocalyptic number.

346066426 is a deficient number, since it is larger than the sum of its proper divisors (173033216).

346066426 is a wasteful number, since it uses less digits than its factorization.

346066426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173033215.

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 346066426 is about 18602.8606939901. The cubic root of 346066426 is about 702.0798184689.

The spelling of 346066426 in words is "three hundred forty-six million, sixty-six thousand, four hundred twenty-six".