84469031 has 2 divisors, whose sum is σ = 84469032. Its totient is φ = 84469030.

The previous prime is 84469013. The next prime is 84469037. The reversal of 84469031 is 13096448.

Together with previous prime (84469013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84469031 is a prime.

It is a super-2 number, since 2×84469031² = 14270034396157922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84468982 and 84469000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84469037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42234515 + 42234516.

It is an arithmetic number, because the mean of its divisors is an integer number (42234516).

Almost surely, 2^84469031 is an apocalyptic number.

84469031 is a deficient number, since it is larger than the sum of its proper divisors (1).

84469031 is an equidigital number, since it uses as much as digits as its factorization.

84469031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 84469031 is about 9190.7035095253. The cubic root of 84469031 is about 438.7655325762.

The spelling of 84469031 in words is "eighty-four million, four hundred sixty-nine thousand, thirty-one".