426630785 has 16 divisors (see below), whose sum is σ = 585532800. Its totient is φ = 292327296.

The previous prime is 426630751. The next prime is 426630823. The reversal of 426630785 is 587036624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 426630785 - 2¹⁴ = 426614401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52901 + ... + 60429.

It is an arithmetic number, because the mean of its divisors is an integer number (36595800).

Almost surely, 2^426630785 is an apocalyptic number.

It is an amenable number.

426630785 is a deficient number, since it is larger than the sum of its proper divisors (158902015).

426630785 is a wasteful number, since it uses less digits than its factorization.

426630785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 426630785 is about 20655.0426046523. The cubic root of 426630785 is about 752.8077188000.

The spelling of 426630785 in words is "four hundred twenty-six million, six hundred thirty thousand, seven hundred eighty-five".