84405748 has 24 divisors (see below), whose sum is σ = 178742592. Its totient is φ = 34045824.

The previous prime is 84405743. The next prime is 84405751. The reversal of 84405748 is 84750448.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 84405748.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 88186 + ... + 89137.

It is an arithmetic number, because the mean of its divisors is an integer number (7447608).

Almost surely, 2^84405748 is an apocalyptic number.

It is an amenable number.

84405748 is an abundant number, since it is smaller than the sum of its proper divisors (94336844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84405748 is a wasteful number, since it uses less digits than its factorization.

84405748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177351 (or 177349 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 84405748 is about 9187.2600921058. The cubic root of 84405748 is about 438.6559328968.

The spelling of 84405748 in words is "eighty-four million, four hundred five thousand, seven hundred forty-eight".