420835850 has 48 divisors (see below), whose sum is σ = 855588096. Its totient is φ = 153312000.

The previous prime is 420835841. The next prime is 420835861. The reversal of 420835850 is 58538024.

It is a self number, because there is not a number n which added to its sum of digits gives 420835850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18365 + ... + 34335.

It is an arithmetic number, because the mean of its divisors is an integer number (17824752).

Almost surely, 2^420835850 is an apocalyptic number.

420835850 is an abundant number, since it is smaller than the sum of its proper divisors (434752246).

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

420835850 is a wasteful number, since it uses less digits than its factorization.

420835850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16031 (or 16026 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 420835850 is about 20514.2840479506. The cubic root of 420835850 is about 749.3837011137.

The spelling of 420835850 in words is "four hundred twenty million, eight hundred thirty-five thousand, eight hundred fifty".