428269756 has 6 divisors (see below), whose sum is σ = 749472080. Its totient is φ = 214134876.

The previous prime is 428269753. The next prime is 428269771. The reversal of 428269756 is 657962824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428269753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53533716 + ... + 53533723.

Almost surely, 2^428269756 is an apocalyptic number.

It is an amenable number.

428269756 is a deficient number, since it is larger than the sum of its proper divisors (321202324).

428269756 is a wasteful number, since it uses less digits than its factorization.

428269756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107067443 (or 107067441 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 428269756 is about 20694.6794128346. The cubic root of 428269756 is about 753.7704977342.

It can be divided in two parts, 428269 and 756, that added together give a square (429025 = 655²).

The spelling of 428269756 in words is "four hundred twenty-eight million, two hundred sixty-nine thousand, seven hundred fifty-six".