83400841 has 2 divisors, whose sum is σ = 83400842. Its totient is φ = 83400840.

The previous prime is 83400833. The next prime is 83400859. The reversal of 83400841 is 14800438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67568400 + 15832441 = 8220^2 + 3979^2 .

It is a cyclic number.

It is not a de Polignac number, because 83400841 - 2³ = 83400833 is a prime.

It is a super-3 number, since 3×83400841³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (83400871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41700420 + 41700421.

It is an arithmetic number, because the mean of its divisors is an integer number (41700421).

Almost surely, 2^83400841 is an apocalyptic number.

It is an amenable number.

83400841 is a deficient number, since it is larger than the sum of its proper divisors (1).

83400841 is an equidigital number, since it uses as much as digits as its factorization.

83400841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 83400841 is about 9132.4060904014. The cubic root of 83400841 is about 436.9081472909.

The spelling of 83400841 in words is "eighty-three million, four hundred thousand, eight hundred forty-one".