421444034 has 8 divisors (see below), whose sum is σ = 689635728. Its totient is φ = 191565460.

The previous prime is 421444033. The next prime is 421444061. The reversal of 421444034 is 430444124.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421443994 and 421444012.

It is not an unprimeable number, because it can be changed into a prime (421444033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9578252 + ... + 9578295.

It is an arithmetic number, because the mean of its divisors is an integer number (86204466).

Almost surely, 2^421444034 is an apocalyptic number.

421444034 is a deficient number, since it is larger than the sum of its proper divisors (268191694).

421444034 is a wasteful number, since it uses less digits than its factorization.

421444034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19156560.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 421444034 is about 20529.1021235708. The cubic root of 421444034 is about 749.7445257278.

Adding to 421444034 its reverse (430444124), we get a palindrome (851888158).

The spelling of 421444034 in words is "four hundred twenty-one million, four hundred forty-four thousand, thirty-four".