428958965 has 8 divisors (see below), whose sum is σ = 515542968. Its totient is φ = 342639040.

The previous prime is 428958941. The next prime is 428958973. The reversal of 428958965 is 569859824.

It can be written as a sum of positive squares in 4 ways, for example, as 76195441 + 352763524 = 8729^2 + 18782^2 .

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

It is not a de Polignac number, because 428958965 - 2¹⁰ = 428957941 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428958965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62426 + ... + 68955.

It is an arithmetic number, because the mean of its divisors is an integer number (64442871).

Almost surely, 2^428958965 is an apocalyptic number.

It is an amenable number.

428958965 is a deficient number, since it is larger than the sum of its proper divisors (86584003).

428958965 is a wasteful number, since it uses less digits than its factorization.

428958965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132039.

The product of its digits is 6220800, while the sum is 56.

The square root of 428958965 is about 20711.3245592840. The cubic root of 428958965 is about 754.1746254091.

The spelling of 428958965 in words is "four hundred twenty-eight million, nine hundred fifty-eight thousand, nine hundred sixty-five".