84492427 has 4 divisors (see below), whose sum is σ = 85753576. Its totient is φ = 83231280.

The previous prime is 84492389. The next prime is 84492439. The reversal of 84492427 is 72429448.

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

It is a cyclic number.

It is not a de Polignac number, because 84492427 - 2⁷ = 84492299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84492427.

It is not an unprimeable number, because it can be changed into a prime (84492467) 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, 630474 + ... + 630607.

It is an arithmetic number, because the mean of its divisors is an integer number (21438394).

Almost surely, 2^84492427 is an apocalyptic number.

84492427 is a deficient number, since it is larger than the sum of its proper divisors (1261149).

84492427 is a wasteful number, since it uses less digits than its factorization.

84492427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261148.

The product of its digits is 129024, while the sum is 40.

The square root of 84492427 is about 9191.9762292991. The cubic root of 84492427 is about 438.8060381937.

The spelling of 84492427 in words is "eighty-four million, four hundred ninety-two thousand, four hundred twenty-seven".