420050385 has 48 divisors (see below), whose sum is σ = 768830400. Its totient is φ = 211565952.

The previous prime is 420050353. The next prime is 420050417. The reversal of 420050385 is 583050024.

It is an interprime number because it is at equal distance from previous prime (420050353) and next prime (420050417).

It is not a de Polignac number, because 420050385 - 2⁵ = 420050353 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 378211 + ... + 379319.

It is an arithmetic number, because the mean of its divisors is an integer number (16017300).

Almost surely, 2^420050385 is an apocalyptic number.

420050385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420050385 is a deficient number, since it is larger than the sum of its proper divisors (348780015).

420050385 is a wasteful number, since it uses less digits than its factorization.

420050385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 420050385 is about 20495.1307631837. The cubic root of 420050385 is about 748.9171840986.

The spelling of 420050385 in words is "four hundred twenty million, fifty thousand, three hundred eighty-five".