83245940 has 24 divisors (see below), whose sum is σ = 185100552. Its totient is φ = 31339520.

The previous prime is 83245931. The next prime is 83245961. The reversal of 83245940 is 4954238.

It can be written as a sum of positive squares in 4 ways, for example, as 7695076 + 75550864 = 2774^2 + 8692^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83245940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122081 + ... + 122760.

It is an arithmetic number, because the mean of its divisors is an integer number (7712523).

Almost surely, 2^83245940 is an apocalyptic number.

It is an amenable number.

83245940 is an abundant number, since it is smaller than the sum of its proper divisors (101854612).

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

83245940 is a wasteful number, since it uses less digits than its factorization.

83245940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244867 (or 244865 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 83245940 is about 9123.9213061052. The cubic root of 83245940 is about 436.6374887431.

The spelling of 83245940 in words is "eighty-three million, two hundred forty-five thousand, nine hundred forty".