84274369 has 4 divisors (see below), whose sum is σ = 87938496. Its totient is φ = 80610244.

The previous prime is 84274343. The next prime is 84274381. The reversal of 84274369 is 96347248.

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 84274369 - 2⁷ = 84274241 is a prime.

It is a super-2 number, since 2×84274369² = 14204338540696322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84274769) 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, 1832029 + ... + 1832074.

It is an arithmetic number, because the mean of its divisors is an integer number (21984624).

Almost surely, 2^84274369 is an apocalyptic number.

It is an amenable number.

84274369 is a deficient number, since it is larger than the sum of its proper divisors (3664127).

84274369 is a wasteful number, since it uses less digits than its factorization.

84274369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664126.

The product of its digits is 290304, while the sum is 43.

The square root of 84274369 is about 9180.1072433823. The cubic root of 84274369 is about 438.4282228737.

The spelling of 84274369 in words is "eighty-four million, two hundred seventy-four thousand, three hundred sixty-nine".