83674389 has 4 divisors (see below), whose sum is σ = 111565856. Its totient is φ = 55782924.

The previous prime is 83674379. The next prime is 83674397. The reversal of 83674389 is 98347638.

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 83674389 - 2⁴ = 83674373 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83674319) 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, 13945729 + ... + 13945734.

It is an arithmetic number, because the mean of its divisors is an integer number (27891464).

Almost surely, 2^83674389 is an apocalyptic number.

It is an amenable number.

83674389 is a deficient number, since it is larger than the sum of its proper divisors (27891467).

83674389 is a wasteful number, since it uses less digits than its factorization.

83674389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27891466.

The product of its digits is 870912, while the sum is 48.

The square root of 83674389 is about 9147.3706058080. The cubic root of 83674389 is about 437.3853004352.

It can be divided in two parts, 8367 and 4389, that multiplied together give a palindrome (36722763).

The spelling of 83674389 in words is "eighty-three million, six hundred seventy-four thousand, three hundred eighty-nine".