426462021 has 12 divisors (see below), whose sum is σ = 642783648. Its totient is φ = 271946664.

The previous prime is 426462019. The next prime is 426462053. The reversal of 426462021 is 120264624.

It is not a de Polignac number, because 426462021 - 2¹ = 426462019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426462121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1029895 + ... + 1030308.

It is an arithmetic number, because the mean of its divisors is an integer number (53565304).

Almost surely, 2^426462021 is an apocalyptic number.

It is an amenable number.

426462021 is a deficient number, since it is larger than the sum of its proper divisors (216321627).

426462021 is a wasteful number, since it uses less digits than its factorization.

426462021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060232 (or 2060229 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 426462021 is about 20650.9569027685. The cubic root of 426462021 is about 752.7084420154.

The spelling of 426462021 in words is "four hundred twenty-six million, four hundred sixty-two thousand, twenty-one".