83646497 has 8 divisors (see below), whose sum is σ = 91394400. Its totient is φ = 75922560.

The previous prime is 83646457. The next prime is 83646499. The reversal of 83646497 is 79464638.

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 83646497 - 2¹⁶ = 83580961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83646499) 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, 1754 + ... + 13052.

It is an arithmetic number, because the mean of its divisors is an integer number (11424300).

Almost surely, 2^83646497 is an apocalyptic number.

It is an amenable number.

83646497 is a deficient number, since it is larger than the sum of its proper divisors (7747903).

83646497 is a wasteful number, since it uses less digits than its factorization.

83646497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983.

The product of its digits is 870912, while the sum is 47.

The square root of 83646497 is about 9145.8458876148. The cubic root of 83646497 is about 437.3366957318.

The spelling of 83646497 in words is "eighty-three million, six hundred forty-six thousand, four hundred ninety-seven".