1234838837 has 2 divisors, whose sum is σ = 1234838838. Its totient is φ = 1234838836.

The previous prime is 1234838807. The next prime is 1234838863. The reversal of 1234838837 is 7388384321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1137105841 + 97732996 = 33721^2 + 9886^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234838837 - 2¹⁴ = 1234822453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1234838791 and 1234838800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234838807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617419418 + 617419419.

It is an arithmetic number, because the mean of its divisors is an integer number (617419419).

Almost surely, 2^1234838837 is an apocalyptic number.

It is an amenable number.

1234838837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234838837 is an equidigital number, since it uses as much as digits as its factorization.

1234838837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 47.

The square root of 1234838837 is about 35140.2737183420. The cubic root of 1234838837 is about 1072.8444528368.

The spelling of 1234838837 in words is "one billion, two hundred thirty-four million, eight hundred thirty-eight thousand, eight hundred thirty-seven".