234049639 has 2 divisors, whose sum is σ = 234049640. Its totient is φ = 234049638.

The previous prime is 234049631. The next prime is 234049649. The reversal of 234049639 is 936940432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234049639 - 2³ = 234049631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234049631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117024819 + 117024820.

It is an arithmetic number, because the mean of its divisors is an integer number (117024820).

Almost surely, 2^234049639 is an apocalyptic number.

234049639 is a deficient number, since it is larger than the sum of its proper divisors (1).

234049639 is an equidigital number, since it uses as much as digits as its factorization.

234049639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 234049639 is about 15298.6809562132. The cubic root of 234049639 is about 616.2675854033.

The spelling of 234049639 in words is "two hundred thirty-four million, forty-nine thousand, six hundred thirty-nine".