407634685 has 8 divisors (see below), whose sum is σ = 494658360. Its totient is φ = 322443264.

The previous prime is 407634671. The next prime is 407634691. The reversal of 407634685 is 586436704.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 407514969 = 346^2 + 20187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 407634685 - 2¹⁵ = 407601917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457572 + ... + 458461.

It is an arithmetic number, because the mean of its divisors is an integer number (61832295).

Almost surely, 2^407634685 is an apocalyptic number.

It is an amenable number.

407634685 is a deficient number, since it is larger than the sum of its proper divisors (87023675).

407634685 is an equidigital number, since it uses as much as digits as its factorization.

407634685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916127.

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 407634685 is about 20189.9649578695. The cubic root of 407634685 is about 741.4645241866.

The spelling of 407634685 in words is "four hundred seven million, six hundred thirty-four thousand, six hundred eighty-five".