83653648 has 30 divisors (see below), whose sum is σ = 175511274. Its totient is φ = 38608128.

The previous prime is 83653621. The next prime is 83653649. The reversal of 83653648 is 84635638.

It can be written as a sum of positive squares in 3 ways, for example, as 3873024 + 79780624 = 1968^2 + 8932^2 .

It is not an unprimeable number, because it can be changed into a prime (83653649) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12765 + ... + 18172.

Almost surely, 2^83653648 is an apocalyptic number.

It is an amenable number.

83653648 is an abundant number, since it is smaller than the sum of its proper divisors (91857626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83653648 is a wasteful number, since it uses less digits than its factorization.

83653648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30971 (or 30952 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 83653648 is about 9146.2368217754. The cubic root of 83653648 is about 437.3491581209.

The spelling of 83653648 in words is "eighty-three million, six hundred fifty-three thousand, six hundred forty-eight".