420230437 has 8 divisors (see below), whose sum is σ = 458675712. Its totient is φ = 381825600.

The previous prime is 420230381. The next prime is 420230441. The reversal of 420230437 is 734032024.

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-420230437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420230477) 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, 14173 + ... + 32269.

It is an arithmetic number, because the mean of its divisors is an integer number (57334464).

Almost surely, 2^420230437 is an apocalyptic number.

It is an amenable number.

420230437 is a deficient number, since it is larger than the sum of its proper divisors (38445275).

420230437 is a wasteful number, since it uses less digits than its factorization.

420230437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20219.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 420230437 is about 20499.5228481055. The cubic root of 420230437 is about 749.0241750530.

The spelling of 420230437 in words is "four hundred twenty million, two hundred thirty thousand, four hundred thirty-seven".