84040346 has 8 divisors (see below), whose sum is σ = 135757524. Its totient is φ = 38787840.

The previous prime is 84040337. The next prime is 84040381. The reversal of 84040346 is 64304048.

It can be written as a sum of positive squares in 2 ways, for example, as 74149321 + 9891025 = 8611^2 + 3145^2 .

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

It is an unprimeable number.

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, 1616135 + ... + 1616186.

Almost surely, 2^84040346 is an apocalyptic number.

84040346 is a deficient number, since it is larger than the sum of its proper divisors (51717178).

84040346 is a wasteful number, since it uses less digits than its factorization.

84040346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232336.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 84040346 is about 9167.3521804281. The cubic root of 84040346 is about 438.0220202575.

The spelling of 84040346 in words is "eighty-four million, forty thousand, three hundred forty-six".