84239954 has 8 divisors (see below), whose sum is σ = 130717260. Its totient is φ = 40667536.

The previous prime is 84239929. The next prime is 84239957. The reversal of 84239954 is 45993248.

It can be written as a sum of positive squares in 2 ways, for example, as 76825225 + 7414729 = 8765^2 + 2723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84239957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726149 + ... + 726264.

Almost surely, 2^84239954 is an apocalyptic number.

84239954 is a deficient number, since it is larger than the sum of its proper divisors (46477306).

84239954 is a wasteful number, since it uses less digits than its factorization.

84239954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452444.

The product of its digits is 311040, while the sum is 44.

The square root of 84239954 is about 9178.2326185383. The cubic root of 84239954 is about 438.3685346521.

The spelling of 84239954 in words is "eighty-four million, two hundred thirty-nine thousand, nine hundred fifty-four".