234421642 has 32 divisors (see below), whose sum is σ = 433843200. Its totient is φ = 92510208.

The previous prime is 234421637. The next prime is 234421643. The reversal of 234421642 is 246124432.

It is a self number, because there is not a number n which added to its sum of digits gives 234421642.

It is not an unprimeable number, because it can be changed into a prime (234421643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85834 + ... + 88522.

It is an arithmetic number, because the mean of its divisors is an integer number (13557600).

Almost surely, 2^234421642 is an apocalyptic number.

234421642 is a deficient number, since it is larger than the sum of its proper divisors (199421558).

234421642 is a wasteful number, since it uses less digits than its factorization.

234421642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190.

The product of its digits is 9216, while the sum is 28.

The square root of 234421642 is about 15310.8341379560. The cubic root of 234421642 is about 616.5939150925.

The spelling of 234421642 in words is "two hundred thirty-four million, four hundred twenty-one thousand, six hundred forty-two".