428035469 has 8 divisors (see below), whose sum is σ = 453412728. Its totient is φ = 402680320.

The previous prime is 428035457. The next prime is 428035471. The reversal of 428035469 is 964530824.

It can be written as a sum of positive squares in 4 ways, for example, as 41126569 + 386908900 = 6413^2 + 19670^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428035469 is a prime.

It is a super-2 number, since 2×428035469² = 366428725444099922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428035169) 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, 50849 + ... + 58665.

It is an arithmetic number, because the mean of its divisors is an integer number (56676591).

Almost surely, 2^428035469 is an apocalyptic number.

It is an amenable number.

428035469 is a deficient number, since it is larger than the sum of its proper divisors (25377259).

428035469 is a wasteful number, since it uses less digits than its factorization.

428035469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 428035469 is about 20689.0180772312. The cubic root of 428035469 is about 753.6330214210.

The spelling of 428035469 in words is "four hundred twenty-eight million, thirty-five thousand, four hundred sixty-nine".