84038401 has 2 divisors, whose sum is σ = 84038402. Its totient is φ = 84038400.

The previous prime is 84038377. The next prime is 84038417. The reversal of 84038401 is 10483048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50410000 + 33628401 = 7100^2 + 5799^2 .

It is a cyclic number.

It is not a de Polignac number, because 84038401 - 2¹¹ = 84036353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84038401.

It is not a weakly prime, because it can be changed into another prime (84035401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42019200 + 42019201.

It is an arithmetic number, because the mean of its divisors is an integer number (42019201).

Almost surely, 2^84038401 is an apocalyptic number.

It is an amenable number.

84038401 is a deficient number, since it is larger than the sum of its proper divisors (1).

84038401 is an equidigital number, since it uses as much as digits as its factorization.

84038401 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 84038401 is about 9167.2460968385. The cubic root of 84038401 is about 438.0186410893.

The spelling of 84038401 in words is "eighty-four million, thirty-eight thousand, four hundred one".