83893481 has 4 divisors (see below), whose sum is σ = 95878272. Its totient is φ = 71908692.

The previous prime is 83893477. The next prime is 83893499. The reversal of 83893481 is 18439838.

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 83893481 - 2² = 83893477 is a prime.

It is a super-2 number, since 2×83893481² = 14076232308594722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83893441) 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, 5992385 + ... + 5992398.

It is an arithmetic number, because the mean of its divisors is an integer number (23969568).

Almost surely, 2^83893481 is an apocalyptic number.

It is an amenable number.

83893481 is a deficient number, since it is larger than the sum of its proper divisors (11984791).

83893481 is a wasteful number, since it uses less digits than its factorization.

83893481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984790.

The product of its digits is 165888, while the sum is 44.

The square root of 83893481 is about 9159.3384586443. The cubic root of 83893481 is about 437.7667158435.

The spelling of 83893481 in words is "eighty-three million, eight hundred ninety-three thousand, four hundred eighty-one".