428211962 has 4 divisors (see below), whose sum is σ = 642317946. Its totient is φ = 214105980.

The previous prime is 428211961. The next prime is 428211977. The reversal of 428211962 is 269112824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 428034721 + 177241 = 20689^2 + 421^2 .

It is not an unprimeable number, because it can be changed into a prime (428211961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107052989 + ... + 107052992.

Almost surely, 2^428211962 is an apocalyptic number.

428211962 is a deficient number, since it is larger than the sum of its proper divisors (214105984).

428211962 is a wasteful number, since it uses less digits than its factorization.

428211962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214105983.

The product of its digits is 13824, while the sum is 35.

The square root of 428211962 is about 20693.2830164766. The cubic root of 428211962 is about 753.7365896881.

The spelling of 428211962 in words is "four hundred twenty-eight million, two hundred eleven thousand, nine hundred sixty-two".