84351685 has 24 divisors (see below), whose sum is σ = 112258656. Its totient is φ = 60341760.

The previous prime is 84351679. The next prime is 84351737. The reversal of 84351685 is 58615348.

It is not a de Polignac number, because 84351685 - 2⁵ = 84351653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517414 + ... + 517576.

It is an arithmetic number, because the mean of its divisors is an integer number (4677444).

Almost surely, 2^84351685 is an apocalyptic number.

It is an amenable number.

84351685 is a deficient number, since it is larger than the sum of its proper divisors (27906971).

84351685 is a wasteful number, since it uses less digits than its factorization.

84351685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 276 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 84351685 is about 9184.3173399007. The cubic root of 84351685 is about 438.5622579148.

The spelling of 84351685 in words is "eighty-four million, three hundred fifty-one thousand, six hundred eighty-five".