420343026 has 8 divisors (see below), whose sum is σ = 840686064. Its totient is φ = 140114340.

The previous prime is 420343019. The next prime is 420343039. The reversal of 420343026 is 620343024.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

420343026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 420342987 and 420343005.

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, 35028580 + ... + 35028591.

It is an arithmetic number, because the mean of its divisors is an integer number (105085758).

Almost surely, 2^420343026 is an apocalyptic number.

420343026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420343026 is a wasteful number, since it uses less digits than its factorization.

420343026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70057176.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 420343026 is about 20502.2688012815. The cubic root of 420343026 is about 749.0910624439.

The spelling of 420343026 in words is "four hundred twenty million, three hundred forty-three thousand, twenty-six".