428607694 has 8 divisors (see below), whose sum is σ = 645671520. Its totient is φ = 213383856.

The previous prime is 428607679. The next prime is 428607709. The reversal of 428607694 is 496706824.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (428607679) and next prime (428607709).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459414 + ... + 460345.

It is an arithmetic number, because the mean of its divisors is an integer number (80708940).

Almost surely, 2^428607694 is an apocalyptic number.

428607694 is a deficient number, since it is larger than the sum of its proper divisors (217063826).

428607694 is a wasteful number, since it uses less digits than its factorization.

428607694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919994.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 428607694 is about 20702.8426550559. The cubic root of 428607694 is about 753.9687067060.

The spelling of 428607694 in words is "four hundred twenty-eight million, six hundred seven thousand, six hundred ninety-four".