83400001 has 4 divisors (see below), whose sum is σ = 87026112. Its totient is φ = 79773892.

The previous prime is 83399999. The next prime is 83400017. The reversal of 83400001 is 10000438.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83400001 - 2¹ = 83399999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83400041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1813021 + ... + 1813066.

It is an arithmetic number, because the mean of its divisors is an integer number (21756528).

Almost surely, 2^83400001 is an apocalyptic number.

It is an amenable number.

83400001 is a deficient number, since it is larger than the sum of its proper divisors (3626111).

83400001 is a wasteful number, since it uses less digits than its factorization.

83400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626110.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 83400001 is about 9132.3601002151. The cubic root of 83400001 is about 436.9066804628.

Adding to 83400001 its reverse (10000438), we get a palindrome (93400439).

The spelling of 83400001 in words is "eighty-three million, four hundred thousand, one".