84032407 has 4 divisors (see below), whose sum is σ = 84208320. Its totient is φ = 83856496.

The previous prime is 84032387. The next prime is 84032453. The reversal of 84032407 is 70423048.

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 84032407 - 2¹⁹ = 83508119 is a prime.

It is a super-2 number, since 2×84032407² = 14122890852427298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84032467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87238 + ... + 88195.

It is an arithmetic number, because the mean of its divisors is an integer number (21052080).

Almost surely, 2^84032407 is an apocalyptic number.

84032407 is a deficient number, since it is larger than the sum of its proper divisors (175913).

84032407 is a wasteful number, since it uses less digits than its factorization.

84032407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175912.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 84032407 is about 9166.9191662194. The cubic root of 84032407 is about 438.0082270162.

The spelling of 84032407 in words is "eighty-four million, thirty-two thousand, four hundred seven".