84073439 has 8 divisors (see below), whose sum is σ = 85300992. Its totient is φ = 82851160.

The previous prime is 84073427. The next prime is 84073481. The reversal of 84073439 is 93437048.

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 84073439 - 2⁸ = 84073183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84073039) 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, 39722 + ... + 41784.

It is an arithmetic number, because the mean of its divisors is an integer number (10662624).

Almost surely, 2^84073439 is an apocalyptic number.

84073439 is a deficient number, since it is larger than the sum of its proper divisors (1227553).

84073439 is a wasteful number, since it uses less digits than its factorization.

84073439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 84073439 is about 9169.1569405262. The cubic root of 84073439 is about 438.0795067751.

The spelling of 84073439 in words is "eighty-four million, seventy-three thousand, four hundred thirty-nine".