234216491 has 8 divisors (see below), whose sum is σ = 237556704. Its totient is φ = 230895360.

The previous prime is 234216469. The next prime is 234216503. The reversal of 234216491 is 194612432.

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

It is a cyclic number.

It is not a de Polignac number, because 234216491 - 2⁶ = 234216427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (234216431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20921 + ... + 30101.

It is an arithmetic number, because the mean of its divisors is an integer number (29694588).

Almost surely, 2^234216491 is an apocalyptic number.

234216491 is a deficient number, since it is larger than the sum of its proper divisors (3340213).

234216491 is an equidigital number, since it uses as much as digits as its factorization.

234216491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541.

The product of its digits is 10368, while the sum is 32.

The square root of 234216491 is about 15304.1331345490. The cubic root of 234216491 is about 616.4139945936.

The spelling of 234216491 in words is "two hundred thirty-four million, two hundred sixteen thousand, four hundred ninety-one".