40894033 has 2 divisors, whose sum is σ = 40894034. Its totient is φ = 40894032.

The previous prime is 40894013. The next prime is 40894037. The reversal of 40894033 is 33049804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22771984 + 18122049 = 4772^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 40894033 - 2¹³ = 40885841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40893986 and 40894004.

It is not a weakly prime, because it can be changed into another prime (40894037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20447016 + 20447017.

It is an arithmetic number, because the mean of its divisors is an integer number (20447017).

Almost surely, 2^40894033 is an apocalyptic number.

It is an amenable number.

40894033 is a deficient number, since it is larger than the sum of its proper divisors (1).

40894033 is an equidigital number, since it uses as much as digits as its factorization.

40894033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40894033 is about 6394.8442514263. The cubic root of 40894033 is about 344.5243968137.

The spelling of 40894033 in words is "forty million, eight hundred ninety-four thousand, thirty-three".