83421371 has 8 divisors (see below), whose sum is σ = 94143600. Its totient is φ = 73222240.

The previous prime is 83421367. The next prime is 83421383. The reversal of 83421371 is 17312438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83421371 - 2² = 83421367 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83421361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130436 + ... + 131073.

It is an arithmetic number, because the mean of its divisors is an integer number (11767950).

Almost surely, 2^83421371 is an apocalyptic number.

83421371 is a deficient number, since it is larger than the sum of its proper divisors (10722229).

83421371 is a wasteful number, since it uses less digits than its factorization.

83421371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261549.

The product of its digits is 4032, while the sum is 29.

The square root of 83421371 is about 9133.5300404608. The cubic root of 83421371 is about 436.9439942050.

The spelling of 83421371 in words is "eighty-three million, four hundred twenty-one thousand, three hundred seventy-one".