428957436 has 48 divisors (see below), whose sum is σ = 1013886720. Its totient is φ = 141141120.

The previous prime is 428957411. The next prime is 428957437. The reversal of 428957436 is 634759824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428957437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 563296 + ... + 564056.

It is an arithmetic number, because the mean of its divisors is an integer number (21122640).

Almost surely, 2^428957436 is an apocalyptic number.

It is an amenable number.

428957436 is an abundant number, since it is smaller than the sum of its proper divisors (584929284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428957436 is a wasteful number, since it uses less digits than its factorization.

428957436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1312 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 48.

The square root of 428957436 is about 20711.2876470779. The cubic root of 428957436 is about 754.1737293370.

The spelling of 428957436 in words is "four hundred twenty-eight million, nine hundred fifty-seven thousand, four hundred thirty-six".