826394145 has 16 divisors (see below), whose sum is σ = 1343908032. Its totient is φ = 433517760.

The previous prime is 826394141. The next prime is 826394197. The reversal of 826394145 is 541493628.

It is not a de Polignac number, because 826394145 - 2² = 826394141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 826394097 and 826394106.

It is not an unprimeable number, because it can be changed into a prime (826394141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450667 + ... + 452496.

It is an arithmetic number, because the mean of its divisors is an integer number (83994252).

Almost surely, 2^826394145 is an apocalyptic number.

It is an amenable number.

826394145 is a deficient number, since it is larger than the sum of its proper divisors (517513887).

826394145 is a wasteful number, since it uses less digits than its factorization.

826394145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903232.

The product of its digits is 207360, while the sum is 42.

The square root of 826394145 is about 28747.0719378513. The cubic root of 826394145 is about 938.4167345676.

The spelling of 826394145 in words is "eight hundred twenty-six million, three hundred ninety-four thousand, one hundred forty-five".