84785240 has 16 divisors (see below), whose sum is σ = 190766880. Its totient is φ = 33914080.

The previous prime is 84785237. The next prime is 84785243. The reversal of 84785240 is 4258748.

It is an interprime number because it is at equal distance from previous prime (84785237) and next prime (84785243).

It is a junction number, because it is equal to n+sod(n) for n = 84785194 and 84785203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84785243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059776 + ... + 1059855.

It is an arithmetic number, because the mean of its divisors is an integer number (11922930).

Almost surely, 2^84785240 is an apocalyptic number.

It is an amenable number.

84785240 is an abundant number, since it is smaller than the sum of its proper divisors (105981640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84785240 is a wasteful number, since it uses less digits than its factorization.

84785240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119642 (or 2119638 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 84785240 is about 9207.8900949132. The cubic root of 84785240 is about 439.3123556420.

The spelling of 84785240 in words is "eighty-four million, seven hundred eighty-five thousand, two hundred forty".