83244390 has 32 divisors (see below), whose sum is σ = 201627360. Its totient is φ = 21993984.

The previous prime is 83244389. The next prime is 83244407. The reversal of 83244390 is 9344238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9459 + ... + 15998.

It is an arithmetic number, because the mean of its divisors is an integer number (6300855).

Almost surely, 2^83244390 is an apocalyptic number.

83244390 is an abundant number, since it is smaller than the sum of its proper divisors (118382970).

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

83244390 is a wasteful number, since it uses less digits than its factorization.

83244390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25576.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 83244390 is about 9123.8363641617. The cubic root of 83244390 is about 436.6347787318.

The spelling of 83244390 in words is "eighty-three million, two hundred forty-four thousand, three hundred ninety".