84970340 has 48 divisors (see below), whose sum is σ = 219620352. Its totient is φ = 26891136.

The previous prime is 84970339. The next prime is 84970343. The reversal of 84970340 is 4307948.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 84970340.

It is not an unprimeable number, because it can be changed into a prime (84970343) 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, 21524 + ... + 25163.

It is an arithmetic number, because the mean of its divisors is an integer number (4575424).

Almost surely, 2^84970340 is an apocalyptic number.

It is an amenable number.

84970340 is an abundant number, since it is smaller than the sum of its proper divisors (134650012).

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

84970340 is a wasteful number, since it uses less digits than its factorization.

84970340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46716 (or 46714 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 84970340 is about 9217.9357776023. The cubic root of 84970340 is about 439.6318201023.

The spelling of 84970340 in words is "eighty-four million, nine hundred seventy thousand, three hundred forty".