426521006 has 16 divisors (see below), whose sum is σ = 677496960. Its totient is φ = 200823480.

The previous prime is 426521003. The next prime is 426521023. The reversal of 426521006 is 600125624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426521003) 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, 27260 + ... + 39951.

It is an arithmetic number, because the mean of its divisors is an integer number (42343560).

Almost surely, 2^426521006 is an apocalyptic number.

426521006 is a deficient number, since it is larger than the sum of its proper divisors (250975954).

426521006 is a wasteful number, since it uses less digits than its factorization.

426521006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67399.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 426521006 is about 20652.3849954430. The cubic root of 426521006 is about 752.7431433944.

The spelling of 426521006 in words is "four hundred twenty-six million, five hundred twenty-one thousand, six".