428384099 has 8 divisors (see below), whose sum is σ = 503276592. Its totient is φ = 359483040.

The previous prime is 428384093. The next prime is 428384111. The reversal of 428384099 is 990483824.

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 428384099 - 2²⁰ = 427335523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428384093) 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, 1497704 + ... + 1497989.

It is an arithmetic number, because the mean of its divisors is an integer number (62909574).

Almost surely, 2^428384099 is an apocalyptic number.

428384099 is a deficient number, since it is larger than the sum of its proper divisors (74892493).

428384099 is a wasteful number, since it uses less digits than its factorization.

428384099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995717.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 428384099 is about 20697.4418467597. The cubic root of 428384099 is about 753.8375743914.

The spelling of 428384099 in words is "four hundred twenty-eight million, three hundred eighty-four thousand, ninety-nine".