84350653 has 4 divisors (see below), whose sum is σ = 86408028. Its totient is φ = 82293280.

The previous prime is 84350641. The next prime is 84350657. The reversal of 84350653 is 35605348.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47844889 + 36505764 = 6917^2 + 6042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84350653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84350657) 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, 1028626 + ... + 1028707.

It is an arithmetic number, because the mean of its divisors is an integer number (21602007).

Almost surely, 2^84350653 is an apocalyptic number.

It is an amenable number.

84350653 is a deficient number, since it is larger than the sum of its proper divisors (2057375).

84350653 is a wasteful number, since it uses less digits than its factorization.

84350653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057374.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 84350653 is about 9184.2611570011. The cubic root of 84350653 is about 438.5604693787.

The spelling of 84350653 in words is "eighty-four million, three hundred fifty thousand, six hundred fifty-three".