83947338 has 12 divisors (see below), whose sum is σ = 181885938. Its totient is φ = 27982440.

The previous prime is 83947321. The next prime is 83947351. The reversal of 83947338 is 83374938.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47983329 + 35964009 = 6927^2 + 5997^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 83947293 and 83947302.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2331853 + ... + 2331888.

Almost surely, 2^83947338 is an apocalyptic number.

83947338 is an abundant number, since it is smaller than the sum of its proper divisors (97938600).

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

83947338 is a wasteful number, since it uses less digits than its factorization.

83947338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4663749 (or 4663746 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 83947338 is about 9162.2779918533. The cubic root of 83947338 is about 437.8603733337.

The spelling of 83947338 in words is "eighty-three million, nine hundred forty-seven thousand, three hundred thirty-eight".