833490431 has 2 divisors, whose sum is σ = 833490432. Its totient is φ = 833490430.

The previous prime is 833490403. The next prime is 833490503. The reversal of 833490431 is 134094338.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 833490431 - 2¹⁸ = 833228287 is a prime.

It is a super-2 number, since 2×833490431² = 1389412597137131522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 833490391 and 833490400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (833490401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 416745215 + 416745216.

It is an arithmetic number, because the mean of its divisors is an integer number (416745216).

Almost surely, 2^833490431 is an apocalyptic number.

833490431 is a deficient number, since it is larger than the sum of its proper divisors (1).

833490431 is an equidigital number, since it uses as much as digits as its factorization.

833490431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 833490431 is about 28870.2343426582. The cubic root of 833490431 is about 941.0951589913.

The spelling of 833490431 in words is "eight hundred thirty-three million, four hundred ninety thousand, four hundred thirty-one".