84428365 has 8 divisors (see below), whose sum is σ = 115787520. Its totient is φ = 57893712.

The previous prime is 84428363. The next prime is 84428401. The reversal of 84428365 is 56382448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84428365 - 2¹ = 84428363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84428363) 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, 1206085 + ... + 1206154.

It is an arithmetic number, because the mean of its divisors is an integer number (14473440).

Almost surely, 2^84428365 is an apocalyptic number.

It is an amenable number.

84428365 is a deficient number, since it is larger than the sum of its proper divisors (31359155).

84428365 is a wasteful number, since it uses less digits than its factorization.

84428365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412251.

The product of its digits is 184320, while the sum is 40.

The square root of 84428365 is about 9188.4908989453. The cubic root of 84428365 is about 438.6951095148.

It can be divided in two parts, 8442 and 8365, that added together give a 5-th power (16807 = 7⁵).

The spelling of 84428365 in words is "eighty-four million, four hundred twenty-eight thousand, three hundred sixty-five".