83645332 has 6 divisors (see below), whose sum is σ = 146379338. Its totient is φ = 41822664.

The previous prime is 83645329. The next prime is 83645333. The reversal of 83645332 is 23354638.

It can be written as a sum of positive squares in only one way, i.e., 82555396 + 1089936 = 9086^2 + 1044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83645333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10455663 + ... + 10455670.

Almost surely, 2^83645332 is an apocalyptic number.

It is an amenable number.

83645332 is a deficient number, since it is larger than the sum of its proper divisors (62734006).

83645332 is a wasteful number, since it uses less digits than its factorization.

83645332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20911337 (or 20911335 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 83645332 is about 9145.7821972754. The cubic root of 83645332 is about 437.3346653634.

The spelling of 83645332 in words is "eighty-three million, six hundred forty-five thousand, three hundred thirty-two".