420714428 has 12 divisors (see below), whose sum is σ = 736731072. Its totient is φ = 210219840.

The previous prime is 420714379. The next prime is 420714431. The reversal of 420714428 is 824417024.

It is a junction number, because it is equal to n+sod(n) for n = 420714394 and 420714403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27293 + ... + 39828.

It is an arithmetic number, because the mean of its divisors is an integer number (61394256).

Almost surely, 2^420714428 is an apocalyptic number.

It is an amenable number.

420714428 is a deficient number, since it is larger than the sum of its proper divisors (316016644).

420714428 is a wasteful number, since it uses less digits than its factorization.

420714428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68692 (or 68690 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 32.

The square root of 420714428 is about 20511.3243843492. The cubic root of 420714428 is about 749.3116220039.

The spelling of 420714428 in words is "four hundred twenty million, seven hundred fourteen thousand, four hundred twenty-eight".