84153434 has 8 divisors (see below), whose sum is σ = 133655508. Its totient is φ = 39601600.

The previous prime is 84153403. The next prime is 84153457. The reversal of 84153434 is 43435148.

It can be written as a sum of positive squares in 2 ways, for example, as 66471409 + 17682025 = 8153^2 + 4205^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 84153434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237517 + ... + 1237584.

Almost surely, 2^84153434 is an apocalyptic number.

84153434 is a deficient number, since it is larger than the sum of its proper divisors (49502074).

84153434 is a wasteful number, since it uses less digits than its factorization.

84153434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2475120.

The product of its digits is 23040, while the sum is 32.

The square root of 84153434 is about 9173.5180819574. The cubic root of 84153434 is about 438.2184054241.

The spelling of 84153434 in words is "eighty-four million, one hundred fifty-three thousand, four hundred thirty-four".