84680901 has 24 divisors (see below), whose sum is σ = 126829560. Its totient is φ = 54400896.

The previous prime is 84680881. The next prime is 84680923. The reversal of 84680901 is 10908648.

It is a happy number.

84680901 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 4 ways, for example, as 30305025 + 54375876 = 5505^2 + 7374^2 .

It is not a de Polignac number, because 84680901 - 2⁶ = 84680837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84680971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35131 + ... + 37463.

It is an arithmetic number, because the mean of its divisors is an integer number (5284565).

Almost surely, 2^84680901 is an apocalyptic number.

It is an amenable number.

84680901 is a deficient number, since it is larger than the sum of its proper divisors (42148659).

84680901 is a wasteful number, since it uses less digits than its factorization.

84680901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 84680901 is about 9202.2226119563. Note that the first 3 decimals coincide. The cubic root of 84680901 is about 439.1320717952.

The spelling of 84680901 in words is "eighty-four million, six hundred eighty thousand, nine hundred one".