426689758 has 8 divisors (see below), whose sum is σ = 698219640. Its totient is φ = 193949880.

The previous prime is 426689741. The next prime is 426689759. The reversal of 426689758 is 857986624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 426689699 and 426689708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426689759) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9697473 + ... + 9697516.

It is an arithmetic number, because the mean of its divisors is an integer number (87277455).

Almost surely, 2^426689758 is an apocalyptic number.

426689758 is a deficient number, since it is larger than the sum of its proper divisors (271529882).

426689758 is a wasteful number, since it uses less digits than its factorization.

426689758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19395002.

The product of its digits is 5806080, while the sum is 55.

The square root of 426689758 is about 20656.4701243944. The cubic root of 426689758 is about 752.8424039702.

The spelling of 426689758 in words is "four hundred twenty-six million, six hundred eighty-nine thousand, seven hundred fifty-eight".