84017061 has 8 divisors (see below), whose sum is σ = 124469760. Its totient is φ = 56011356.

The previous prime is 84017057. The next prime is 84017071. The reversal of 84017061 is 16071048.

It is a happy number.

It is not a de Polignac number, because 84017061 - 2² = 84017057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3111743 = 84017061 / (8 + 4 + 0 + 1 + 7 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84017041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1555845 + ... + 1555898.

It is an arithmetic number, because the mean of its divisors is an integer number (15558720).

Almost surely, 2^84017061 is an apocalyptic number.

It is an amenable number.

84017061 is a deficient number, since it is larger than the sum of its proper divisors (40452699).

84017061 is a wasteful number, since it uses less digits than its factorization.

84017061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111752 (or 3111746 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 84017061 is about 9166.0820965121. The cubic root of 84017061 is about 437.9815623689.

The spelling of 84017061 in words is "eighty-four million, seventeen thousand, sixty-one".