428202601 has 4 divisors (see below), whose sum is σ = 450739600. Its totient is φ = 405665604.

The previous prime is 428202587. The next prime is 428202611. The reversal of 428202601 is 106202824.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 428202601 - 2¹³ = 428194409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428202611) 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, 11268471 + ... + 11268508.

It is an arithmetic number, because the mean of its divisors is an integer number (112684900).

Almost surely, 2^428202601 is an apocalyptic number.

It is an amenable number.

428202601 is a deficient number, since it is larger than the sum of its proper divisors (22536999).

428202601 is a wasteful number, since it uses less digits than its factorization.

428202601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22536998.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 428202601 is about 20693.0568307343. The cubic root of 428202601 is about 753.7310972527.

The spelling of 428202601 in words is "four hundred twenty-eight million, two hundred two thousand, six hundred one".