84385370 has 16 divisors (see below), whose sum is σ = 151999848. Its totient is φ = 33730560.

The previous prime is 84385369. The next prime is 84385373. The reversal of 84385370 is 7358348.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22306729 + 62078641 = 4723^2 + 7879^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84385373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22682 + ... + 26138.

Almost surely, 2^84385370 is an apocalyptic number.

84385370 is a deficient number, since it is larger than the sum of its proper divisors (67614478).

84385370 is a wasteful number, since it uses less digits than its factorization.

84385370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5905.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 84385370 is about 9186.1509893970. The cubic root of 84385370 is about 438.6206286263.

The spelling of 84385370 in words is "eighty-four million, three hundred eighty-five thousand, three hundred seventy".