420833337 has 8 divisors (see below), whose sum is σ = 590643360. Its totient is φ = 265789440.

The previous prime is 420833333. The next prime is 420833341. The reversal of 420833337 is 733338024.

It is an interprime number because it is at equal distance from previous prime (420833333) and next prime (420833341).

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

It is not a de Polignac number, because 420833337 - 2² = 420833333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420833298 and 420833307.

It is not an unprimeable number, because it can be changed into a prime (420833333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3691464 + ... + 3691577.

It is an arithmetic number, because the mean of its divisors is an integer number (73830420).

Almost surely, 2^420833337 is an apocalyptic number.

It is an amenable number.

420833337 is a deficient number, since it is larger than the sum of its proper divisors (169810023).

420833337 is a wasteful number, since it uses less digits than its factorization.

420833337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7383063.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 420833337 is about 20514.2227978542. Note that the first 3 decimals coincide. The cubic root of 420833337 is about 749.3822094751.

The spelling of 420833337 in words is "four hundred twenty million, eight hundred thirty-three thousand, three hundred thirty-seven".