428535619 has 8 divisors (see below), whose sum is σ = 430848000. Its totient is φ = 426228936.

The previous prime is 428535617. The next prime is 428535629. The reversal of 428535619 is 916535824.

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 428535619 - 2¹ = 428535617 is a prime.

It is a super-2 number, since 2×428535619² = 367285553503426322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428535617) 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, 285132 + ... + 286630.

It is an arithmetic number, because the mean of its divisors is an integer number (53856000).

Almost surely, 2^428535619 is an apocalyptic number.

428535619 is a deficient number, since it is larger than the sum of its proper divisors (2312381).

428535619 is a wasteful number, since it uses less digits than its factorization.

428535619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849.

The product of its digits is 259200, while the sum is 43.

The square root of 428535619 is about 20701.1018788856. The cubic root of 428535619 is about 753.9264416839.

The spelling of 428535619 in words is "four hundred twenty-eight million, five hundred thirty-five thousand, six hundred nineteen".