428546932 has 12 divisors (see below), whose sum is σ = 818135136. Its totient is φ = 194794040.

The previous prime is 428546917. The next prime is 428546933. The reversal of 428546932 is 239645824.

It is a super-2 number, since 2×428546932² = 367304945853225248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428546933) 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, 4869808 + ... + 4869895.

It is an arithmetic number, because the mean of its divisors is an integer number (68177928).

Almost surely, 2^428546932 is an apocalyptic number.

It is an amenable number.

428546932 is a deficient number, since it is larger than the sum of its proper divisors (389588204).

428546932 is a wasteful number, since it uses less digits than its factorization.

428546932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9739718 (or 9739716 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 428546932 is about 20701.3751234067. The cubic root of 428546932 is about 753.9330759786.

The spelling of 428546932 in words is "four hundred twenty-eight million, five hundred forty-six thousand, nine hundred thirty-two".