428258041 has 4 divisors (see below), whose sum is σ = 428673652. Its totient is φ = 427842432.

The previous prime is 428258023. The next prime is 428258053. The reversal of 428258041 is 140852824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289136016 + 139122025 = 17004^2 + 11795^2 .

It is a cyclic number.

It is not a de Polignac number, because 428258041 - 2⁵ = 428258009 is a prime.

It is a super-3 number, since 3×428258041³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428257988 and 428258006.

It is not an unprimeable number, because it can be changed into a prime (428258011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206256 + ... + 208321.

It is an arithmetic number, because the mean of its divisors is an integer number (107168413).

Almost surely, 2^428258041 is an apocalyptic number.

It is an amenable number.

428258041 is a deficient number, since it is larger than the sum of its proper divisors (415611).

428258041 is a wasteful number, since it uses less digits than its factorization.

428258041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415610.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 428258041 is about 20694.3963671328. The cubic root of 428258041 is about 753.7636247282.

The spelling of 428258041 in words is "four hundred twenty-eight million, two hundred fifty-eight thousand, forty-one".