420867283 has 8 divisors (see below), whose sum is σ = 445808880. Its totient is φ = 395946240.

The previous prime is 420867263. The next prime is 420867287. The reversal of 420867283 is 382768024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420867283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420867287) 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, 62788 + ... + 69166.

It is an arithmetic number, because the mean of its divisors is an integer number (55726110).

Almost surely, 2^420867283 is an apocalyptic number.

420867283 is a deficient number, since it is larger than the sum of its proper divisors (24941597).

420867283 is a wasteful number, since it uses less digits than its factorization.

420867283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10277.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 420867283 is about 20515.0501583594. The cubic root of 420867283 is about 749.4023582627.

The spelling of 420867283 in words is "four hundred twenty million, eight hundred sixty-seven thousand, two hundred eighty-three".