420837234 has 32 divisors (see below), whose sum is σ = 852768000. Its totient is φ = 138442704.

The previous prime is 420837217. The next prime is 420837257. The reversal of 420837234 is 432738024.

It is a junction number, because it is equal to n+sod(n) for n = 420837195 and 420837204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147877 + ... + 150695.

It is an arithmetic number, because the mean of its divisors is an integer number (26649000).

Almost surely, 2^420837234 is an apocalyptic number.

420837234 is an abundant number, since it is smaller than the sum of its proper divisors (431930766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420837234 is a wasteful number, since it uses less digits than its factorization.

420837234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 420837234 is about 20514.3177805161. The cubic root of 420837234 is about 749.3845226105.

The spelling of 420837234 in words is "four hundred twenty million, eight hundred thirty-seven thousand, two hundred thirty-four".