420800686 has 16 divisors (see below), whose sum is σ = 659602944. Its totient is φ = 200959704.

The previous prime is 420800683. The next prime is 420800693. The reversal of 420800686 is 686008024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420800683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27151 + ... + 39733.

It is an arithmetic number, because the mean of its divisors is an integer number (41225184).

Almost surely, 2^420800686 is an apocalyptic number.

420800686 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

420800686 is a deficient number, since it is larger than the sum of its proper divisors (238802258).

420800686 is a wasteful number, since it uses less digits than its factorization.

420800686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13335.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 420800686 is about 20513.4269686954. The cubic root of 420800686 is about 749.3628283178.

The spelling of 420800686 in words is "four hundred twenty million, eight hundred thousand, six hundred eighty-six".