84938261 has 4 divisors (see below), whose sum is σ = 85341024. Its totient is φ = 84535500.

The previous prime is 84938251. The next prime is 84938297. The reversal of 84938261 is 16283948.

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 a cyclic number.

It is not a de Polignac number, because 84938261 - 2¹⁸ = 84676117 is a prime.

It is a super-3 number, since 3×84938261³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84938221) 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, 201065 + ... + 201486.

It is an arithmetic number, because the mean of its divisors is an integer number (21335256).

Almost surely, 2^84938261 is an apocalyptic number.

It is an amenable number.

84938261 is a deficient number, since it is larger than the sum of its proper divisors (402763).

84938261 is a wasteful number, since it uses less digits than its factorization.

84938261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402762.

The product of its digits is 82944, while the sum is 41.

The square root of 84938261 is about 9216.1955816920. The cubic root of 84938261 is about 439.5764881504.

The spelling of 84938261 in words is "eighty-four million, nine hundred thirty-eight thousand, two hundred sixty-one".