833993401 has 2 divisors, whose sum is σ = 833993402. Its totient is φ = 833993400.

The previous prime is 833993389. The next prime is 833993483. The reversal of 833993401 is 104399338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 749445376 + 84548025 = 27376^2 + 9195^2 .

It is a cyclic number.

It is not a de Polignac number, because 833993401 - 2⁹ = 833992889 is a prime.

It is not a weakly prime, because it can be changed into another prime (833994401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416996700 + 416996701.

It is an arithmetic number, because the mean of its divisors is an integer number (416996701).

Almost surely, 2^833993401 is an apocalyptic number.

It is an amenable number.

833993401 is a deficient number, since it is larger than the sum of its proper divisors (1).

833993401 is an equidigital number, since it uses as much as digits as its factorization.

833993401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 833993401 is about 28878.9439038203. The cubic root of 833993401 is about 941.2844222923.

The spelling of 833993401 in words is "eight hundred thirty-three million, nine hundred ninety-three thousand, four hundred one".