83954980 has 12 divisors (see below), whose sum is σ = 176305500. Its totient is φ = 33581984.

The previous prime is 83954951. The next prime is 83955023. The reversal of 83954980 is 8945938.

It can be written as a sum of positive squares in 2 ways, for example, as 41886784 + 42068196 = 6472^2 + 6486^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83954980.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098855 + ... + 2098894.

It is an arithmetic number, because the mean of its divisors is an integer number (14692125).

Almost surely, 2^83954980 is an apocalyptic number.

It is an amenable number.

83954980 is an abundant number, since it is smaller than the sum of its proper divisors (92350520).

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

83954980 is a wasteful number, since it uses less digits than its factorization.

83954980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197758 (or 4197756 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 83954980 is about 9162.6950183884. The cubic root of 83954980 is about 437.8736595499.

The spelling of 83954980 in words is "eighty-three million, nine hundred fifty-four thousand, nine hundred eighty".