84405746 has 8 divisors (see below), whose sum is σ = 130692864. Its totient is φ = 40841460.

The previous prime is 84405743. The next prime is 84405751. The reversal of 84405746 is 64750448.

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 (84405743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680630 + ... + 680753.

It is an arithmetic number, because the mean of its divisors is an integer number (16336608).

Almost surely, 2^84405746 is an apocalyptic number.

84405746 is a deficient number, since it is larger than the sum of its proper divisors (46287118).

84405746 is a wasteful number, since it uses less digits than its factorization.

84405746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361416.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 84405746 is about 9187.2599832594. The cubic root of 84405746 is about 438.6559294321.

The spelling of 84405746 in words is "eighty-four million, four hundred five thousand, seven hundred forty-six".