428514546 has 16 divisors (see below), whose sum is σ = 907442784. Its totient is φ = 134435904.

The previous prime is 428514539. The next prime is 428514547. The reversal of 428514546 is 645415824.

It is a happy number.

It is a super-2 number, since 2×428514546² = 367249432267172232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (428514547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2100460 + ... + 2100663.

It is an arithmetic number, because the mean of its divisors is an integer number (56715174).

Almost surely, 2^428514546 is an apocalyptic number.

428514546 is an abundant number, since it is smaller than the sum of its proper divisors (478928238).

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

428514546 is a wasteful number, since it uses less digits than its factorization.

428514546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4201145.

The product of its digits is 153600, while the sum is 39.

The square root of 428514546 is about 20700.5928900599. The cubic root of 428514546 is about 753.9140835106.

The spelling of 428514546 in words is "four hundred twenty-eight million, five hundred fourteen thousand, five hundred forty-six".