428043212 has 6 divisors (see below), whose sum is σ = 749075628. Its totient is φ = 214021604.

The previous prime is 428043197. The next prime is 428043223. The reversal of 428043212 is 212340824.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53505398 + ... + 53505405.

It is an arithmetic number, because the mean of its divisors is an integer number (124845938).

Almost surely, 2^428043212 is an apocalyptic number.

It is an amenable number.

428043212 is a deficient number, since it is larger than the sum of its proper divisors (321032416).

428043212 is a wasteful number, since it uses less digits than its factorization.

428043212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107010807 (or 107010805 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 428043212 is about 20689.2052046472. The cubic root of 428043212 is about 753.6375657058.

The spelling of 428043212 in words is "four hundred twenty-eight million, forty-three thousand, two hundred twelve".