420050387 has 8 divisors (see below), whose sum is σ = 429779520. Its totient is φ = 410388160.

The previous prime is 420050353. The next prime is 420050417. The reversal of 420050387 is 783050024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 420050387 - 2¹⁴ = 420034003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420050287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3914 + ... + 29247.

It is an arithmetic number, because the mean of its divisors is an integer number (53722440).

Almost surely, 2^420050387 is an apocalyptic number.

420050387 is a deficient number, since it is larger than the sum of its proper divisors (9729133).

420050387 is a wasteful number, since it uses less digits than its factorization.

420050387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33453.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 420050387 is about 20495.1308119758. The cubic root of 420050387 is about 748.9171852873.

The spelling of 420050387 in words is "four hundred twenty million, fifty thousand, three hundred eighty-seven".