84292643 has 8 divisors (see below), whose sum is σ = 85456800. Its totient is φ = 83135808.

The previous prime is 84292639. The next prime is 84292657. The reversal of 84292643 is 34629248.

It is a happy number.

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 84292643 - 2² = 84292639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84292597 and 84292606.

It is not an unprimeable number, because it can be changed into a prime (84292603) 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, 23738 + ... + 27056.

It is an arithmetic number, because the mean of its divisors is an integer number (10682100).

Almost surely, 2^84292643 is an apocalyptic number.

84292643 is a deficient number, since it is larger than the sum of its proper divisors (1164157).

84292643 is a wasteful number, since it uses less digits than its factorization.

84292643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661.

The product of its digits is 82944, while the sum is 38.

The square root of 84292643 is about 9181.1024937096. The cubic root of 84292643 is about 438.4599100815.

The spelling of 84292643 in words is "eighty-four million, two hundred ninety-two thousand, six hundred forty-three".