84957461 has 4 divisors (see below), whose sum is σ = 85039500. Its totient is φ = 84875424.

The previous prime is 84957451. The next prime is 84957487. The reversal of 84957461 is 16475948.

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 79316836 + 5640625 = 8906^2 + 2375^2 .

It is a cyclic number.

It is not a de Polignac number, because 84957461 - 2¹⁰ = 84956437 is a prime.

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 (84957421) 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, 39446 + ... + 41543.

It is an arithmetic number, because the mean of its divisors is an integer number (21259875).

Almost surely, 2^84957461 is an apocalyptic number.

It is an amenable number.

84957461 is a deficient number, since it is larger than the sum of its proper divisors (82039).

84957461 is a wasteful number, since it uses less digits than its factorization.

84957461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82038.

The product of its digits is 241920, while the sum is 44.

The square root of 84957461 is about 9217.2371673946. The cubic root of 84957461 is about 439.6096072364.

The spelling of 84957461 in words is "eighty-four million, nine hundred fifty-seven thousand, four hundred sixty-one".