428535670 has 8 divisors (see below), whose sum is σ = 771364224. Its totient is φ = 171414264.

The previous prime is 428535641. The next prime is 428535683. The reversal of 428535670 is 76535824.

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, 21426774 + ... + 21426793.

It is an arithmetic number, because the mean of its divisors is an integer number (96420528).

Almost surely, 2^428535670 is an apocalyptic number.

428535670 is a deficient number, since it is larger than the sum of its proper divisors (342828554).

428535670 is a wasteful number, since it uses less digits than its factorization.

428535670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42853574.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 428535670 is about 20701.1031107040. The cubic root of 428535670 is about 753.9264715922.

The spelling of 428535670 in words is "four hundred twenty-eight million, five hundred thirty-five thousand, six hundred seventy".