84250641 has 4 divisors (see below), whose sum is σ = 112334192. Its totient is φ = 56167092.

The previous prime is 84250637. The next prime is 84250651. The reversal of 84250641 is 14605248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 84250641 - 2² = 84250637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84250599 and 84250608.

It is not an unprimeable number, because it can be changed into a prime (84250651) 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, 14041771 + ... + 14041776.

It is an arithmetic number, because the mean of its divisors is an integer number (28083548).

Almost surely, 2^84250641 is an apocalyptic number.

It is an amenable number.

84250641 is a deficient number, since it is larger than the sum of its proper divisors (28083551).

84250641 is a wasteful number, since it uses less digits than its factorization.

84250641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28083550.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 84250641 is about 9178.8147927715. The cubic root of 84250641 is about 438.3870715664.

Adding to 84250641 its reverse (14605248), we get a palindrome (98855889).

The spelling of 84250641 in words is "eighty-four million, two hundred fifty thousand, six hundred forty-one".