234086890 has 32 divisors (see below), whose sum is σ = 442114560. Its totient is φ = 89121600.

The previous prime is 234086861. The next prime is 234086903. The reversal of 234086890 is 98680432.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 12721 + ... + 25099.

It is an arithmetic number, because the mean of its divisors is an integer number (13816080).

Almost surely, 2^234086890 is an apocalyptic number.

234086890 is a deficient number, since it is larger than the sum of its proper divisors (208027670).

234086890 is a wasteful number, since it uses less digits than its factorization.

234086890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12478.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 234086890 is about 15299.8983656755. The cubic root of 234086890 is about 616.3002784197.

The spelling of 234086890 in words is "two hundred thirty-four million, eighty-six thousand, eight hundred ninety".