428869299 has 8 divisors (see below), whose sum is σ = 574820352. Its totient is φ = 284415560.

The previous prime is 428869277. The next prime is 428869303. The reversal of 428869299 is 992968824.

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 428869299 - 2¹⁵ = 428836531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428861299) 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, 373659 + ... + 374804.

It is an arithmetic number, because the mean of its divisors is an integer number (71852544).

Almost surely, 2^428869299 is an apocalyptic number.

428869299 is a deficient number, since it is larger than the sum of its proper divisors (145951053).

428869299 is a wasteful number, since it uses less digits than its factorization.

428869299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748657.

The product of its digits is 4478976, while the sum is 57.

The square root of 428869299 is about 20709.1597849840. The cubic root of 428869299 is about 754.1220729585.

The spelling of 428869299 in words is "four hundred twenty-eight million, eight hundred sixty-nine thousand, two hundred ninety-nine".