428084655 has 8 divisors (see below), whose sum is σ = 684935472. Its totient is φ = 228311808.

The previous prime is 428084653. The next prime is 428084659. The reversal of 428084655 is 556480824.

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

It is not a de Polignac number, because 428084655 - 2¹ = 428084653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428084653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14269474 + ... + 14269503.

It is an arithmetic number, because the mean of its divisors is an integer number (85616934).

Almost surely, 2^428084655 is an apocalyptic number.

428084655 is a deficient number, since it is larger than the sum of its proper divisors (256850817).

428084655 is a wasteful number, since it uses less digits than its factorization.

428084655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28538985.

The product of its (nonzero) digits is 307200, while the sum is 42.

The square root of 428084655 is about 20690.2067413547. The cubic root of 428084655 is about 753.6618872329.

The spelling of 428084655 in words is "four hundred twenty-eight million, eighty-four thousand, six hundred fifty-five".