82783946 has 16 divisors (see below), whose sum is σ = 148086144. Its totient is φ = 33936144.

The previous prime is 82783907. The next prime is 82783957. The reversal of 82783946 is 64938728.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 82783946.

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, 128225 + ... + 128868.

It is an arithmetic number, because the mean of its divisors is an integer number (9255384).

Almost surely, 2^82783946 is an apocalyptic number.

82783946 is a deficient number, since it is larger than the sum of its proper divisors (65302198).

82783946 is a wasteful number, since it uses less digits than its factorization.

82783946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257125.

The product of its digits is 580608, while the sum is 47.

The square root of 82783946 is about 9098.5683489217. The cubic root of 82783946 is about 435.8282471669.

The spelling of 82783946 in words is "eighty-two million, seven hundred eighty-three thousand, nine hundred forty-six".