84620153 has 4 divisors (see below), whose sum is σ = 84833700. Its totient is φ = 84406608.

The previous prime is 84620149. The next prime is 84620177. The reversal of 84620153 is 35102648.

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 58323769 + 26296384 = 7637^2 + 5128^2 .

It is a cyclic number.

It is not a de Polignac number, because 84620153 - 2² = 84620149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84620183) 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, 106178 + ... + 106971.

It is an arithmetic number, because the mean of its divisors is an integer number (21208425).

Almost surely, 2^84620153 is an apocalyptic number.

It is an amenable number.

84620153 is a deficient number, since it is larger than the sum of its proper divisors (213547).

84620153 is a wasteful number, since it uses less digits than its factorization.

84620153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213546.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 84620153 is about 9198.9212954563. The cubic root of 84620153 is about 439.0270391518.

The spelling of 84620153 in words is "eighty-four million, six hundred twenty thousand, one hundred fifty-three".