428757342 has 32 divisors (see below), whose sum is σ = 953272320. Its totient is φ = 127668960.

The previous prime is 428757341. The next prime is 428757347. The reversal of 428757342 is 243757824.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 428757294 and 428757303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428757341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86242 + ... + 91077.

It is an arithmetic number, because the mean of its divisors is an integer number (29789760).

Almost surely, 2^428757342 is an apocalyptic number.

428757342 is an abundant number, since it is smaller than the sum of its proper divisors (524514978).

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

428757342 is a wasteful number, since it uses less digits than its factorization.

428757342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177368.

The product of its digits is 376320, while the sum is 42.

The square root of 428757342 is about 20706.4565293051. The cubic root of 428757342 is about 754.0564456660.

The spelling of 428757342 in words is "four hundred twenty-eight million, seven hundred fifty-seven thousand, three hundred forty-two".