82293340 has 12 divisors (see below), whose sum is σ = 172816056. Its totient is φ = 32917328.

The previous prime is 82293319. The next prime is 82293349. The reversal of 82293340 is 4339228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82293349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057314 + ... + 2057353.

It is an arithmetic number, because the mean of its divisors is an integer number (14401338).

Almost surely, 2^82293340 is an apocalyptic number.

It is an amenable number.

82293340 is an abundant number, since it is smaller than the sum of its proper divisors (90522716).

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

82293340 is a wasteful number, since it uses less digits than its factorization.

82293340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114676 (or 4114674 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 82293340 is about 9071.5676704746. The cubic root of 82293340 is about 434.9655849816.

The spelling of 82293340 in words is "eighty-two million, two hundred ninety-three thousand, three hundred forty".