84401293 has 2 divisors, whose sum is σ = 84401294. Its totient is φ = 84401292.

The previous prime is 84401231. The next prime is 84401347. The reversal of 84401293 is 39210448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84400969 + 324 = 9187^2 + 18^2 .

It is a cyclic number.

It is not a de Polignac number, because 84401293 - 2⁹ = 84400781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84401693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42200646 + 42200647.

It is an arithmetic number, because the mean of its divisors is an integer number (42200647).

Almost surely, 2^84401293 is an apocalyptic number.

It is an amenable number.

84401293 is a deficient number, since it is larger than the sum of its proper divisors (1).

84401293 is an equidigital number, since it uses as much as digits as its factorization.

84401293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 84401293 is about 9187.0176335958. The cubic root of 84401293 is about 438.6482152290.

The spelling of 84401293 in words is "eighty-four million, four hundred one thousand, two hundred ninety-three".