345441826 has 4 divisors (see below), whose sum is σ = 518162742. Its totient is φ = 172720912.

The previous prime is 345441797. The next prime is 345441829. The reversal of 345441826 is 628144543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 345402225 + 39601 = 18585^2 + 199^2 .

It is not an unprimeable number, because it can be changed into a prime (345441829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86360455 + ... + 86360458.

Almost surely, 2^345441826 is an apocalyptic number.

345441826 is a deficient number, since it is larger than the sum of its proper divisors (172720916).

345441826 is a wasteful number, since it uses less digits than its factorization.

345441826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172720915.

The product of its digits is 92160, while the sum is 37.

The square root of 345441826 is about 18586.0653716703. The cubic root of 345441826 is about 701.6571798194.

The spelling of 345441826 in words is "three hundred forty-five million, four hundred forty-one thousand, eight hundred twenty-six".