84628385 has 16 divisors (see below), whose sum is σ = 106223616. Its totient is φ = 64603968.

The previous prime is 84628381. The next prime is 84628391. The reversal of 84628385 is 58382648.

It is a cyclic number.

It is not a de Polignac number, because 84628385 - 2² = 84628381 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84628381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77312 + ... + 78398.

It is an arithmetic number, because the mean of its divisors is an integer number (6638976).

Almost surely, 2^84628385 is an apocalyptic number.

It is an amenable number.

84628385 is a deficient number, since it is larger than the sum of its proper divisors (21595231).

84628385 is a wasteful number, since it uses less digits than its factorization.

84628385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its digits is 368640, while the sum is 44.

The square root of 84628385 is about 9199.3687283422. The cubic root of 84628385 is about 439.0412751356.

The spelling of 84628385 in words is "eighty-four million, six hundred twenty-eight thousand, three hundred eighty-five".