421200034 has 8 divisors (see below), whose sum is σ = 639797760. Its totient is φ = 207934116.

The previous prime is 421199993. The next prime is 421200047. The reversal of 421200034 is 430002124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421199990 and 421200017.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1332754 + ... + 1333069.

It is an arithmetic number, because the mean of its divisors is an integer number (79974720).

Almost surely, 2^421200034 is an apocalyptic number.

421200034 is a deficient number, since it is larger than the sum of its proper divisors (218597726).

421200034 is a wasteful number, since it uses less digits than its factorization.

421200034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2665904.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 421200034 is about 20523.1584801170. The cubic root of 421200034 is about 749.5998066465.

Adding to 421200034 its reverse (430002124), we get a palindrome (851202158).

The spelling of 421200034 in words is "four hundred twenty-one million, two hundred thousand, thirty-four".