84444401 has 4 divisors (see below), whose sum is σ = 84478452. Its totient is φ = 84410352.

The previous prime is 84444391. The next prime is 84444439. The reversal of 84444401 is 10444448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49350625 + 35093776 = 7025^2 + 5924^2 .

It is a cyclic number.

It is not a de Polignac number, because 84444401 - 2⁶ = 84444337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84447401) 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, 12986 + ... + 18371.

It is an arithmetic number, because the mean of its divisors is an integer number (21119613).

Almost surely, 2^84444401 is an apocalyptic number.

It is an amenable number.

84444401 is a deficient number, since it is larger than the sum of its proper divisors (34051).

84444401 is a wasteful number, since it uses less digits than its factorization.

84444401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34050.

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 84444401 is about 9189.3634708831. The cubic root of 84444401 is about 438.7228824456.

Adding to 84444401 its reverse (10444448), we get a palindrome (94888849).

The spelling of 84444401 in words is "eighty-four million, four hundred forty-four thousand, four hundred one".