84333391 has 2 divisors, whose sum is σ = 84333392. Its totient is φ = 84333390.

The previous prime is 84333373. The next prime is 84333401. The reversal of 84333391 is 19333348.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84333391 - 2¹¹ = 84331343 is a prime.

It is a super-2 number, since 2×84333391² = 14224241675117762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84333331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42166695 + 42166696.

It is an arithmetic number, because the mean of its divisors is an integer number (42166696).

Almost surely, 2^84333391 is an apocalyptic number.

84333391 is a deficient number, since it is larger than the sum of its proper divisors (1).

84333391 is an equidigital number, since it uses as much as digits as its factorization.

84333391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 34.

The square root of 84333391 is about 9183.3213490545. The cubic root of 84333391 is about 438.5305508303.

The spelling of 84333391 in words is "eighty-four million, three hundred thirty-three thousand, three hundred ninety-one".