428865034 has 8 divisors (see below), whose sum is σ = 692782020. Its totient is φ = 197937696.

The previous prime is 428865023. The next prime is 428865037. The reversal of 428865034 is 430568824.

It can be written as a sum of positive squares in 2 ways, for example, as 302864409 + 126000625 = 17403^2 + 11225^2 .

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

It is not an unprimeable number, because it can be changed into a prime (428865037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8247379 + ... + 8247430.

Almost surely, 2^428865034 is an apocalyptic number.

428865034 is a deficient number, since it is larger than the sum of its proper divisors (263916986).

428865034 is a wasteful number, since it uses less digits than its factorization.

428865034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16494824.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 428865034 is about 20709.0568109704. The cubic root of 428865034 is about 754.1195730972.

The spelling of 428865034 in words is "four hundred twenty-eight million, eight hundred sixty-five thousand, thirty-four".