84674261 has 4 divisors (see below), whose sum is σ = 96770592. Its totient is φ = 72577932.

The previous prime is 84674257. The next prime is 84674281. The reversal of 84674261 is 16247648.

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 84674261 - 2² = 84674257 is a prime.

It is a super-2 number, since 2×84674261² = 14339460951792242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84674281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6048155 + ... + 6048168.

It is an arithmetic number, because the mean of its divisors is an integer number (24192648).

Almost surely, 2^84674261 is an apocalyptic number.

It is an amenable number.

84674261 is a deficient number, since it is larger than the sum of its proper divisors (12096331).

84674261 is a wasteful number, since it uses less digits than its factorization.

84674261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12096330.

The product of its digits is 64512, while the sum is 38.

The square root of 84674261 is about 9201.8618224792. The cubic root of 84674261 is about 439.1205937518.

The spelling of 84674261 in words is "eighty-four million, six hundred seventy-four thousand, two hundred sixty-one".