421041434 has 32 divisors (see below), whose sum is σ = 705158784. Its totient is φ = 186921280.

The previous prime is 421041421. The next prime is 421041451. The reversal of 421041434 is 434140124.

It is a happy number.

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, 305972 + ... + 307344.

It is an arithmetic number, because the mean of its divisors is an integer number (22036212).

Almost surely, 2^421041434 is an apocalyptic number.

421041434 is a deficient number, since it is larger than the sum of its proper divisors (284117350).

421041434 is a wasteful number, since it uses less digits than its factorization.

421041434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 421041434 is about 20519.2941886411. The cubic root of 421041434 is about 749.5057092701.

Adding to 421041434 its reverse (434140124), we get a palindrome (855181558).

The spelling of 421041434 in words is "four hundred twenty-one million, forty-one thousand, four hundred thirty-four".