428062426 has 12 divisors (see below), whose sum is σ = 705772746. Its totient is φ = 194573720.

The previous prime is 428062423. The next prime is 428062429. The reversal of 428062426 is 624260824.

It is an interprime number because it is at equal distance from previous prime (428062423) and next prime (428062429).

It can be written as a sum of positive squares in only one way, i.e., 395970201 + 32092225 = 19899^2 + 5665^2 .

It is a junction number, because it is equal to n+sod(n) for n = 428062391 and 428062400.

It is not an unprimeable number, because it can be changed into a prime (428062423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 884185 + ... + 884668.

Almost surely, 2^428062426 is an apocalyptic number.

428062426 is a deficient number, since it is larger than the sum of its proper divisors (277710320).

428062426 is a wasteful number, since it uses less digits than its factorization.

428062426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768877 (or 1768866 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 428062426 is about 20689.6695478686. The cubic root of 428062426 is about 753.6488419626.

The spelling of 428062426 in words is "four hundred twenty-eight million, sixty-two thousand, four hundred twenty-six".