82948140 has 72 divisors (see below), whose sum is σ = 274489488. Its totient is φ = 20108160.

The previous prime is 82948139. The next prime is 82948147. The reversal of 82948140 is 4184928.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 82948095 and 82948104.

It is not an unprimeable number, because it can be changed into a prime (82948147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18967 + ... + 22926.

It is an arithmetic number, because the mean of its divisors is an integer number (3812354).

Almost surely, 2^82948140 is an apocalyptic number.

It is an amenable number.

82948140 is an abundant number, since it is smaller than the sum of its proper divisors (191541348).

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

82948140 is a wasteful number, since it uses less digits than its factorization.

82948140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41919 (or 41914 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 82948140 is about 9107.5869471557. The cubic root of 82948140 is about 436.1161980225.

The spelling of 82948140 in words is "eighty-two million, nine hundred forty-eight thousand, one hundred forty".