426660084 has 36 divisors (see below), whose sum is σ = 1141944804. Its totient is φ = 133853952.

The previous prime is 426660071. The next prime is 426660131. The reversal of 426660084 is 480066624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 152028900 + 274631184 = 12330^2 + 16572^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347967 + ... + 349190.

It is an arithmetic number, because the mean of its divisors is an integer number (31720689).

Almost surely, 2^426660084 is an apocalyptic number.

It is an amenable number.

426660084 is an abundant number, since it is smaller than the sum of its proper divisors (715284720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426660084 is a wasteful number, since it uses less digits than its factorization.

426660084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697184 (or 697179 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 426660084 is about 20655.7518381685. The cubic root of 426660084 is about 752.8249515059.

The spelling of 426660084 in words is "four hundred twenty-six million, six hundred sixty thousand, eighty-four".