83197724 has 6 divisors (see below), whose sum is σ = 145596024. Its totient is φ = 41598860.

The previous prime is 83197703. The next prime is 83197727. The reversal of 83197724 is 42779138.

It is a super-2 number, since 2×83197724² = 13843722557560352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83197727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10399712 + ... + 10399719.

It is an arithmetic number, because the mean of its divisors is an integer number (24266004).

Almost surely, 2^83197724 is an apocalyptic number.

It is an amenable number.

83197724 is a deficient number, since it is larger than the sum of its proper divisors (62398300).

83197724 is a wasteful number, since it uses less digits than its factorization.

83197724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20799435 (or 20799433 counting only the distinct ones).

The product of its digits is 84672, while the sum is 41.

The square root of 83197724 is about 9121.2786384366. The cubic root of 83197724 is about 436.5531724026.

The spelling of 83197724 in words is "eighty-three million, one hundred ninety-seven thousand, seven hundred twenty-four".