420835426 has 16 divisors (see below), whose sum is σ = 688976928. Its totient is φ = 191195200.

The previous prime is 420835403. The next prime is 420835489. The reversal of 420835426 is 624538024.

It is a junction number, because it is equal to n+sod(n) for n = 420835391 and 420835400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63066 + ... + 69418.

It is an arithmetic number, because the mean of its divisors is an integer number (43061058).

Almost surely, 2^420835426 is an apocalyptic number.

420835426 is a deficient number, since it is larger than the sum of its proper divisors (268141502).

420835426 is a wasteful number, since it uses less digits than its factorization.

420835426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 420835426 is about 20514.2737136853. The cubic root of 420835426 is about 749.3834494409.

The spelling of 420835426 in words is "four hundred twenty million, eight hundred thirty-five thousand, four hundred twenty-six".