84744097 has 8 divisors (see below), whose sum is σ = 87342696. Its totient is φ = 82161792.

The previous prime is 84744073. The next prime is 84744103. The reversal of 84744097 is 79044748.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21446161 + 63297936 = 4631^2 + 7956^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84744097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84744497) 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, 6933 + ... + 14749.

It is an arithmetic number, because the mean of its divisors is an integer number (10917837).

Almost surely, 2^84744097 is an apocalyptic number.

It is an amenable number.

84744097 is a deficient number, since it is larger than the sum of its proper divisors (2598599).

84744097 is a wasteful number, since it uses less digits than its factorization.

84744097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 84744097 is about 9205.6557072269. The cubic root of 84744097 is about 439.2412837090.

It can be divided in two parts, 847 and 44097, that added together give a palindrome (44944).

The spelling of 84744097 in words is "eighty-four million, seven hundred forty-four thousand, ninety-seven".