84993953 has 8 divisors (see below), whose sum is σ = 92810880. Its totient is φ = 77192080.

The previous prime is 84993911. The next prime is 84993959. The reversal of 84993953 is 35939948.

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 84993953 - 2⁶ = 84993889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84993959) 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, 10376 + ... + 16662.

It is an arithmetic number, because the mean of its divisors is an integer number (11601360).

Almost surely, 2^84993953 is an apocalyptic number.

It is an amenable number.

84993953 is a deficient number, since it is larger than the sum of its proper divisors (7816927).

84993953 is a wasteful number, since it uses less digits than its factorization.

84993953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527.

The product of its digits is 1049760, while the sum is 50.

The square root of 84993953 is about 9219.2165068405. The cubic root of 84993953 is about 439.6725404474.

The spelling of 84993953 in words is "eighty-four million, nine hundred ninety-three thousand, nine hundred fifty-three".