428993498 has 8 divisors (see below), whose sum is σ = 643705920. Its totient is φ = 214424860.

The previous prime is 428993497. The next prime is 428993599. The reversal of 428993498 is 894399824.

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 (428993497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28148 + ... + 40623.

It is an arithmetic number, because the mean of its divisors is an integer number (80463240).

Almost surely, 2^428993498 is an apocalyptic number.

428993498 is a deficient number, since it is larger than the sum of its proper divisors (214712422).

428993498 is a wasteful number, since it uses less digits than its factorization.

428993498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71892.

The product of its digits is 4478976, while the sum is 56.

The square root of 428993498 is about 20712.1582168542. The cubic root of 428993498 is about 754.1948629420.

The spelling of 428993498 in words is "four hundred twenty-eight million, nine hundred ninety-three thousand, four hundred ninety-eight".