84000953 has 4 divisors (see below), whose sum is σ = 84037860. Its totient is φ = 83964048.

The previous prime is 84000949. The next prime is 84000967. The reversal of 84000953 is 35900048.

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 67289209 + 16711744 = 8203^2 + 4088^2 .

It is a cyclic number.

It is not a de Polignac number, because 84000953 - 2² = 84000949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84000913) 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, 14798 + ... + 19671.

It is an arithmetic number, because the mean of its divisors is an integer number (21009465).

Almost surely, 2^84000953 is an apocalyptic number.

It is an amenable number.

84000953 is a deficient number, since it is larger than the sum of its proper divisors (36907).

84000953 is a wasteful number, since it uses less digits than its factorization.

84000953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36906.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 84000953 is about 9165.2033801766. The cubic root of 84000953 is about 437.9535702054.

The spelling of 84000953 in words is "eighty-four million, nine hundred fifty-three", and thus it is an aban number.