426206386 has 4 divisors (see below), whose sum is σ = 639309582. Its totient is φ = 213103192.

The previous prime is 426206323. The next prime is 426206413. The reversal of 426206386 is 683602624.

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., 229674025 + 196532361 = 15155^2 + 14019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106551595 + ... + 106551598.

Almost surely, 2^426206386 is an apocalyptic number.

426206386 is a deficient number, since it is larger than the sum of its proper divisors (213103196).

426206386 is a wasteful number, since it uses less digits than its factorization.

426206386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213103195.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 426206386 is about 20644.7665523251. The cubic root of 426206386 is about 752.5580127679.

The spelling of 426206386 in words is "four hundred twenty-six million, two hundred six thousand, three hundred eighty-six".